Finding the Fourth Proportional to 91,350.72, 126,061.92 and 53,628.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91,350.72 : 126,061.92 = 53,628.48 : x
2. Step 2: Convert to fraction form
   91,350.72/126,061.92 = 53,628.48/x
3. Step 3: Cross multiply
   91,350.72x = 126,061.92 × 53,628.48
4. Step 4: Simplify right side
   91,350.72x = 6,760,509,155.48
5. Step 5: Solve for x
   x = 6,760,509,155.48/91,350.72
6. Step 6: Final answer
   x = 74,006.09