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Finding the Fourth Proportional to 105,673.10, 145,827.69 and 57,926.30

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Solution

The fourth proportional to 105,673.10, 145,827.69 and 57,926.30 is: 79,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,673.10 : 145,827.69 = 57,926.30 : x
  2. Step 2: Convert to fraction form
    105,673.10/145,827.69 = 57,926.30/x
  3. Step 3: Cross multiply
    105,673.10x = 145,827.69 × 57,926.30
  4. Step 4: Simplify right side
    105,673.10x = 8,447,258,519.25
  5. Step 5: Solve for x
    x = 8,447,258,519.25/105,673.10
  6. Step 6: Final answer
    x = 79,937.64

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