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Finding the Fourth Proportional to 58,558.55, 87,830.53 and 19,112.36

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Solution

The fourth proportional to 58,558.55, 87,830.53 and 19,112.36 is: 28,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.55 : 87,830.53 = 19,112.36 : x
  2. Step 2: Convert to fraction form
    58,558.55/87,830.53 = 19,112.36/x
  3. Step 3: Cross multiply
    58,558.55x = 87,830.53 × 19,112.36
  4. Step 4: Simplify right side
    58,558.55x = 1,678,648,221.42
  5. Step 5: Solve for x
    x = 1,678,648,221.42/58,558.55
  6. Step 6: Final answer
    x = 28,666.15

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