Finding the Fourth Proportional to 71,935.56, 99,348.53 and 54,756.54

Step by Step Solution

1. Step 1: Write the proportion equation
   71,935.56 : 99,348.53 = 54,756.54 : x
2. Step 2: Convert to fraction form
   71,935.56/99,348.53 = 54,756.54/x
3. Step 3: Cross multiply
   71,935.56x = 99,348.53 × 54,756.54
4. Step 4: Simplify right side
   71,935.56x = 5,439,981,756.89
5. Step 5: Solve for x
   x = 5,439,981,756.89/71,935.56
6. Step 6: Final answer
   x = 75,622.98