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Finding the Fourth Proportional to 13,719.33, 20,578.98 and 4,954.26

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Solution

The fourth proportional to 13,719.33, 20,578.98 and 4,954.26 is: 7,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.33 : 20,578.98 = 4,954.26 : x
  2. Step 2: Convert to fraction form
    13,719.33/20,578.98 = 4,954.26/x
  3. Step 3: Cross multiply
    13,719.33x = 20,578.98 × 4,954.26
  4. Step 4: Simplify right side
    13,719.33x = 101,953,617.45
  5. Step 5: Solve for x
    x = 101,953,617.45/13,719.33
  6. Step 6: Final answer
    x = 7,431.38

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