Finding the Fourth Proportional to 31,061.13, 46,580.94 and 8,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.13 : 46,580.94 = 8,868.56 : x
2. Step 2: Convert to fraction form
   31,061.13/46,580.94 = 8,868.56/x
3. Step 3: Cross multiply
   31,061.13x = 46,580.94 × 8,868.56
4. Step 4: Simplify right side
   31,061.13x = 413,105,628.34
5. Step 5: Solve for x
   x = 413,105,628.34/31,061.13
6. Step 6: Final answer
   x = 13,299.76