Finding the Fourth Proportional to 71,934.56, 99,347.15 and 54,755.54

Step by Step Solution

1. Step 1: Write the proportion equation
   71,934.56 : 99,347.15 = 54,755.54 : x
2. Step 2: Convert to fraction form
   71,934.56/99,347.15 = 54,755.54/x
3. Step 3: Cross multiply
   71,934.56x = 99,347.15 × 54,755.54
4. Step 4: Simplify right side
   71,934.56x = 5,439,806,571.93
5. Step 5: Solve for x
   x = 5,439,806,571.93/71,934.56
6. Step 6: Final answer
   x = 75,621.60