Finding the Fourth Proportional to 31,057.30, 46,593.18 and 8,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,057.30 : 46,593.18 = 8,870.98 : x
2. Step 2: Convert to fraction form
   31,057.30/46,593.18 = 8,870.98/x
3. Step 3: Cross multiply
   31,057.30x = 46,593.18 × 8,870.98
4. Step 4: Simplify right side
   31,057.30x = 413,327,167.92
5. Step 5: Solve for x
   x = 413,327,167.92/31,057.30
6. Step 6: Final answer
   x = 13,308.54