Finding the Fourth Proportional to 87,196.50, 130,814.25 and 31,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,196.50 : 130,814.25 = 31,792.50 : x
2. Step 2: Convert to fraction form
   87,196.50/130,814.25 = 31,792.50/x
3. Step 3: Cross multiply
   87,196.50x = 130,814.25 × 31,792.50
4. Step 4: Simplify right side
   87,196.50x = 4,158,912,043.13
5. Step 5: Solve for x
   x = 4,158,912,043.13/87,196.50
6. Step 6: Final answer
   x = 47,695.86