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Finding the Fourth Proportional to 570,694.41, 855,782.82 and 215,456.36

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Solution

The fourth proportional to 570,694.41, 855,782.82 and 215,456.36 is: 323,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,694.41 : 855,782.82 = 215,456.36 : x
  2. Step 2: Convert to fraction form
    570,694.41/855,782.82 = 215,456.36/x
  3. Step 3: Cross multiply
    570,694.41x = 855,782.82 × 215,456.36
  4. Step 4: Simplify right side
    570,694.41x = 184,383,847,068.82
  5. Step 5: Solve for x
    x = 184,383,847,068.82/570,694.41
  6. Step 6: Final answer
    x = 323,086.83

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