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Finding the Fourth Proportional to 99,094.97, 136,712.13 and 56,630.72

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Solution

The fourth proportional to 99,094.97, 136,712.13 and 56,630.72 is: 78,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,094.97 : 136,712.13 = 56,630.72 : x
  2. Step 2: Convert to fraction form
    99,094.97/136,712.13 = 56,630.72/x
  3. Step 3: Cross multiply
    99,094.97x = 136,712.13 × 56,630.72
  4. Step 4: Simplify right side
    99,094.97x = 7,742,106,354.63
  5. Step 5: Solve for x
    x = 7,742,106,354.63/99,094.97
  6. Step 6: Final answer
    x = 78,128.15

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