Finding the Fourth Proportional to 49,662.88, 68,525.76 and 40,215.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,662.88 : 68,525.76 = 40,215.04 : x
2. Step 2: Convert to fraction form
   49,662.88/68,525.76 = 40,215.04/x
3. Step 3: Cross multiply
   49,662.88x = 68,525.76 × 40,215.04
4. Step 4: Simplify right side
   49,662.88x = 2,755,766,179.43
5. Step 5: Solve for x
   x = 2,755,766,179.43/49,662.88
6. Step 6: Final answer
   x = 55,489.46