Finding the Fourth Proportional to 55,344.57, 82,585.20 and 49,380.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,344.57 : 82,585.20 = 49,380.48 : x
2. Step 2: Convert to fraction form
   55,344.57/82,585.20 = 49,380.48/x
3. Step 3: Cross multiply
   55,344.57x = 82,585.20 × 49,380.48
4. Step 4: Simplify right side
   55,344.57x = 4,078,096,816.90
5. Step 5: Solve for x
   x = 4,078,096,816.90/55,344.57
6. Step 6: Final answer
   x = 73,685.58