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Finding the Fourth Proportional to 108,868.87, 163,293.09 and 37,780.45

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Solution

The fourth proportional to 108,868.87, 163,293.09 and 37,780.45 is: 56,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868.87 : 163,293.09 = 37,780.45 : x
  2. Step 2: Convert to fraction form
    108,868.87/163,293.09 = 37,780.45/x
  3. Step 3: Cross multiply
    108,868.87x = 163,293.09 × 37,780.45
  4. Step 4: Simplify right side
    108,868.87x = 6,169,286,422.09
  5. Step 5: Solve for x
    x = 6,169,286,422.09/108,868.87
  6. Step 6: Final answer
    x = 56,667.13

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