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Finding the Fourth Proportional to 74,963.32, 112,461.18 and 28,216.06

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Solution

The fourth proportional to 74,963.32, 112,461.18 and 28,216.06 is: 42,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963.32 : 112,461.18 = 28,216.06 : x
  2. Step 2: Convert to fraction form
    74,963.32/112,461.18 = 28,216.06/x
  3. Step 3: Cross multiply
    74,963.32x = 112,461.18 × 28,216.06
  4. Step 4: Simplify right side
    74,963.32x = 3,173,211,402.55
  5. Step 5: Solve for x
    x = 3,173,211,402.55/74,963.32
  6. Step 6: Final answer
    x = 42,330.19

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