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Finding the Fourth Proportional to 72,009.99, 99,357.84 and 41,777.79

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Solution

The fourth proportional to 72,009.99, 99,357.84 and 41,777.79 is: 57,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,009.99 : 99,357.84 = 41,777.79 : x
  2. Step 2: Convert to fraction form
    72,009.99/99,357.84 = 41,777.79/x
  3. Step 3: Cross multiply
    72,009.99x = 99,357.84 × 41,777.79
  4. Step 4: Simplify right side
    72,009.99x = 4,150,950,974.37
  5. Step 5: Solve for x
    x = 4,150,950,974.37/72,009.99
  6. Step 6: Final answer
    x = 57,644.10

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