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Finding the Fourth Proportional to 74,466.40, 111,699.60 and 71,010.40

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Solution

The fourth proportional to 74,466.40, 111,699.60 and 71,010.40 is: 106,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466.40 : 111,699.60 = 71,010.40 : x
  2. Step 2: Convert to fraction form
    74,466.40/111,699.60 = 71,010.40/x
  3. Step 3: Cross multiply
    74,466.40x = 111,699.60 × 71,010.40
  4. Step 4: Simplify right side
    74,466.40x = 7,931,833,275.84
  5. Step 5: Solve for x
    x = 7,931,833,275.84/74,466.40
  6. Step 6: Final answer
    x = 106,515.60

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