Finding the Fourth Proportional to 87,674.89, 131,480.05 and 31,499.98

Step by Step Solution

1. Step 1: Write the proportion equation
   87,674.89 : 131,480.05 = 31,499.98 : x
2. Step 2: Convert to fraction form
   87,674.89/131,480.05 = 31,499.98/x
3. Step 3: Cross multiply
   87,674.89x = 131,480.05 × 31,499.98
4. Step 4: Simplify right side
   87,674.89x = 4,141,618,367.82
5. Step 5: Solve for x
   x = 4,141,618,367.82/87,674.89
6. Step 6: Final answer
   x = 47,238.36