Finding the Fourth Proportional to 73,296.84, 109,978.07 and 42,132.09

Step by Step Solution

1. Step 1: Write the proportion equation
   73,296.84 : 109,978.07 = 42,132.09 : x
2. Step 2: Convert to fraction form
   73,296.84/109,978.07 = 42,132.09/x
3. Step 3: Cross multiply
   73,296.84x = 109,978.07 × 42,132.09
4. Step 4: Simplify right side
   73,296.84x = 4,633,605,732.61
5. Step 5: Solve for x
   x = 4,633,605,732.61/73,296.84
6. Step 6: Final answer
   x = 63,216.99