Finding the Fourth Proportional to 31,063.29, 46,587.06 and 8,876.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,063.29 : 46,587.06 = 8,876.78 : x
2. Step 2: Convert to fraction form
   31,063.29/46,587.06 = 8,876.78/x
3. Step 3: Cross multiply
   31,063.29x = 46,587.06 × 8,876.78
4. Step 4: Simplify right side
   31,063.29x = 413,543,082.47
5. Step 5: Solve for x
   x = 413,543,082.47/31,063.29
6. Step 6: Final answer
   x = 13,312.92