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Finding the Fourth Proportional to 18,920.22, 26,109.90 and 10,967.06

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Solution

The fourth proportional to 18,920.22, 26,109.90 and 10,967.06 is: 15,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.22 : 26,109.90 = 10,967.06 : x
  2. Step 2: Convert to fraction form
    18,920.22/26,109.90 = 10,967.06/x
  3. Step 3: Cross multiply
    18,920.22x = 26,109.90 × 10,967.06
  4. Step 4: Simplify right side
    18,920.22x = 286,348,839.89
  5. Step 5: Solve for x
    x = 286,348,839.89/18,920.22
  6. Step 6: Final answer
    x = 15,134.54

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