Finding the Fourth Proportional to 71,763.58, 98,965.02 and 54,737.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,763.58 : 98,965.02 = 54,737.56 : x
2. Step 2: Convert to fraction form
   71,763.58/98,965.02 = 54,737.56/x
3. Step 3: Cross multiply
   71,763.58x = 98,965.02 × 54,737.56
4. Step 4: Simplify right side
   71,763.58x = 5,417,103,720.15
5. Step 5: Solve for x
   x = 5,417,103,720.15/71,763.58
6. Step 6: Final answer
   x = 75,485.42