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Finding the Fourth Proportional to 324,037.62, 486,071.04 and 99,381.72

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Solution

The fourth proportional to 324,037.62, 486,071.04 and 99,381.72 is: 149,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,037.62 : 486,071.04 = 99,381.72 : x
  2. Step 2: Convert to fraction form
    324,037.62/486,071.04 = 99,381.72/x
  3. Step 3: Cross multiply
    324,037.62x = 486,071.04 × 99,381.72
  4. Step 4: Simplify right side
    324,037.62x = 48,306,575,997.39
  5. Step 5: Solve for x
    x = 48,306,575,997.39/324,037.62
  6. Step 6: Final answer
    x = 149,077.06

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