Finding the Fourth Proportional to 72,335.77, 99,831.89 and 40,498.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,335.77 : 99,831.89 = 40,498.52 : x
2. Step 2: Convert to fraction form
   72,335.77/99,831.89 = 40,498.52/x
3. Step 3: Cross multiply
   72,335.77x = 99,831.89 × 40,498.52
4. Step 4: Simplify right side
   72,335.77x = 4,043,043,395.89
5. Step 5: Solve for x
   x = 4,043,043,395.89/72,335.77
6. Step 6: Final answer
   x = 55,892.73