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Finding the Fourth Proportional to 104,948.40, 157,422.60 and 57,709.20

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Solution

The fourth proportional to 104,948.40, 157,422.60 and 57,709.20 is: 86,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,948.40 : 157,422.60 = 57,709.20 : x
  2. Step 2: Convert to fraction form
    104,948.40/157,422.60 = 57,709.20/x
  3. Step 3: Cross multiply
    104,948.40x = 157,422.60 × 57,709.20
  4. Step 4: Simplify right side
    104,948.40x = 9,084,732,307.92
  5. Step 5: Solve for x
    x = 9,084,732,307.92/104,948.40
  6. Step 6: Final answer
    x = 86,563.80

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