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Finding the Fourth Proportional to 98,213.82, 135,550.43 and 57,931.98

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Solution

The fourth proportional to 98,213.82, 135,550.43 and 57,931.98 is: 79,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,213.82 : 135,550.43 = 57,931.98 : x
  2. Step 2: Convert to fraction form
    98,213.82/135,550.43 = 57,931.98/x
  3. Step 3: Cross multiply
    98,213.82x = 135,550.43 × 57,931.98
  4. Step 4: Simplify right side
    98,213.82x = 7,852,704,799.75
  5. Step 5: Solve for x
    x = 7,852,704,799.75/98,213.82
  6. Step 6: Final answer
    x = 79,955.19

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