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Finding the Fourth Proportional to 238,993.12, 358,543.64 and 79,068.68

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Solution

The fourth proportional to 238,993.12, 358,543.64 and 79,068.68 is: 118,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,993.12 : 358,543.64 = 79,068.68 : x
  2. Step 2: Convert to fraction form
    238,993.12/358,543.64 = 79,068.68/x
  3. Step 3: Cross multiply
    238,993.12x = 358,543.64 × 79,068.68
  4. Step 4: Simplify right side
    238,993.12x = 28,349,572,337.20
  5. Step 5: Solve for x
    x = 28,349,572,337.20/238,993.12
  6. Step 6: Final answer
    x = 118,620.87

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