Finding the Fourth Proportional to 82,463.76, 113,748.84 and 72,384.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,463.76 : 113,748.84 = 72,384.24 : x
2. Step 2: Convert to fraction form
   82,463.76/113,748.84 = 72,384.24/x
3. Step 3: Cross multiply
   82,463.76x = 113,748.84 × 72,384.24
4. Step 4: Simplify right side
   82,463.76x = 8,233,623,334.28
5. Step 5: Solve for x
   x = 8,233,623,334.28/82,463.76
6. Step 6: Final answer
   x = 99,845.35