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Finding the Fourth Proportional to 52,477.36, 78,734.28 and 17,419.76

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Solution

The fourth proportional to 52,477.36, 78,734.28 and 17,419.76 is: 26,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.36 : 78,734.28 = 17,419.76 : x
  2. Step 2: Convert to fraction form
    52,477.36/78,734.28 = 17,419.76/x
  3. Step 3: Cross multiply
    52,477.36x = 78,734.28 × 17,419.76
  4. Step 4: Simplify right side
    52,477.36x = 1,371,532,261.37
  5. Step 5: Solve for x
    x = 1,371,532,261.37/52,477.36
  6. Step 6: Final answer
    x = 26,135.69

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