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Finding the Fourth Proportional to 77,218.76, 106,556.00 and 43,219.46

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Solution

The fourth proportional to 77,218.76, 106,556.00 and 43,219.46 is: 59,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,218.76 : 106,556.00 = 43,219.46 : x
  2. Step 2: Convert to fraction form
    77,218.76/106,556.00 = 43,219.46/x
  3. Step 3: Cross multiply
    77,218.76x = 106,556.00 × 43,219.46
  4. Step 4: Simplify right side
    77,218.76x = 4,605,292,030.88
  5. Step 5: Solve for x
    x = 4,605,292,030.88/77,218.76
  6. Step 6: Final answer
    x = 59,639.55

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