Finding the Fourth Proportional to 82,901.60, 124,406.88 and 45,487.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,901.60 : 124,406.88 = 45,487.88 : x
2. Step 2: Convert to fraction form
   82,901.60/124,406.88 = 45,487.88/x
3. Step 3: Cross multiply
   82,901.60x = 124,406.88 × 45,487.88
4. Step 4: Simplify right side
   82,901.60x = 5,659,005,228.61
5. Step 5: Solve for x
   x = 5,659,005,228.61/82,901.60
6. Step 6: Final answer
   x = 68,261.71