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Finding the Fourth Proportional to 157,848.67, 217,828.43 and 86,226.85

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Solution

The fourth proportional to 157,848.67, 217,828.43 and 86,226.85 is: 118,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,848.67 : 217,828.43 = 86,226.85 : x
  2. Step 2: Convert to fraction form
    157,848.67/217,828.43 = 86,226.85/x
  3. Step 3: Cross multiply
    157,848.67x = 217,828.43 × 86,226.85
  4. Step 4: Simplify right side
    157,848.67x = 18,782,658,383.64
  5. Step 5: Solve for x
    x = 18,782,658,383.64/157,848.67
  6. Step 6: Final answer
    x = 118,991.55

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