Finding the Fourth Proportional to 72,348.48, 99,877.20 and 45,505.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,348.48 : 99,877.20 = 45,505.92 : x
2. Step 2: Convert to fraction form
   72,348.48/99,877.20 = 45,505.92/x
3. Step 3: Cross multiply
   72,348.48x = 99,877.20 × 45,505.92
4. Step 4: Simplify right side
   72,348.48x = 4,545,003,873.02
5. Step 5: Solve for x
   x = 4,545,003,873.02/72,348.48
6. Step 6: Final answer
   x = 62,821.00