Finding the Fourth Proportional to 87,685.04, 131,469.78 and 31,496.96

Step by Step Solution

1. Step 1: Write the proportion equation
   87,685.04 : 131,469.78 = 31,496.96 : x
2. Step 2: Convert to fraction form
   87,685.04/131,469.78 = 31,496.96/x
3. Step 3: Cross multiply
   87,685.04x = 131,469.78 × 31,496.96
4. Step 4: Simplify right side
   87,685.04x = 4,140,898,401.87
5. Step 5: Solve for x
   x = 4,140,898,401.87/87,685.04
6. Step 6: Final answer
   x = 47,224.69