Finding the Fourth Proportional to 49,500.72, 68,304.87 and 31,606.20

Step by Step Solution

1. Step 1: Write the proportion equation
   49,500.72 : 68,304.87 = 31,606.20 : x
2. Step 2: Convert to fraction form
   49,500.72/68,304.87 = 31,606.20/x
3. Step 3: Cross multiply
   49,500.72x = 68,304.87 × 31,606.20
4. Step 4: Simplify right side
   49,500.72x = 2,158,857,382.19
5. Step 5: Solve for x
   x = 2,158,857,382.19/49,500.72
6. Step 6: Final answer
   x = 43,612.65