Finding the Fourth Proportional to 72,285.01, 99,755.55 and 40,453.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,285.01 : 99,755.55 = 40,453.83 : x
2. Step 2: Convert to fraction form
   72,285.01/99,755.55 = 40,453.83/x
3. Step 3: Cross multiply
   72,285.01x = 99,755.55 × 40,453.83
4. Step 4: Simplify right side
   72,285.01x = 4,035,494,061.26
5. Step 5: Solve for x
   x = 4,035,494,061.26/72,285.01
6. Step 6: Final answer
   x = 55,827.54