Finding the Fourth Proportional to 57,022.57, 78,687.98 and 31,527.45

Step by Step Solution

1. Step 1: Write the proportion equation
   57,022.57 : 78,687.98 = 31,527.45 : x
2. Step 2: Convert to fraction form
   57,022.57/78,687.98 = 31,527.45/x
3. Step 3: Cross multiply
   57,022.57x = 78,687.98 × 31,527.45
4. Step 4: Simplify right side
   57,022.57x = 2,480,831,355.05
5. Step 5: Solve for x
   x = 2,480,831,355.05/57,022.57
6. Step 6: Final answer
   x = 43,506.13