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Finding the Fourth Proportional to 19,163.78, 26,446.19 and 10,666.26

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Solution

The fourth proportional to 19,163.78, 26,446.19 and 10,666.26 is: 14,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.78 : 26,446.19 = 10,666.26 : x
  2. Step 2: Convert to fraction form
    19,163.78/26,446.19 = 10,666.26/x
  3. Step 3: Cross multiply
    19,163.78x = 26,446.19 × 10,666.26
  4. Step 4: Simplify right side
    19,163.78x = 282,081,938.55
  5. Step 5: Solve for x
    x = 282,081,938.55/19,163.78
  6. Step 6: Final answer
    x = 14,719.54

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