Finding the Fourth Proportional to 72,337.86, 99,823.50 and 40,505.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,337.86 : 99,823.50 = 40,505.18 : x
2. Step 2: Convert to fraction form
   72,337.86/99,823.50 = 40,505.18/x
3. Step 3: Cross multiply
   72,337.86x = 99,823.50 × 40,505.18
4. Step 4: Simplify right side
   72,337.86x = 4,043,368,336.61
5. Step 5: Solve for x
   x = 4,043,368,336.61/72,337.86
6. Step 6: Final answer
   x = 55,895.60