Finding the Fourth Proportional to 82,185.60, 113,414.40 and 48,662.40

Step by Step Solution

1. Step 1: Write the proportion equation
   82,185.60 : 113,414.40 = 48,662.40 : x
2. Step 2: Convert to fraction form
   82,185.60/113,414.40 = 48,662.40/x
3. Step 3: Cross multiply
   82,185.60x = 113,414.40 × 48,662.40
4. Step 4: Simplify right side
   82,185.60x = 5,519,016,898.56
5. Step 5: Solve for x
   x = 5,519,016,898.56/82,185.60
6. Step 6: Final answer
   x = 67,153.09