Finding the Fourth Proportional to 22,638.33, 31,240.31 and 12,566.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,638.33 : 31,240.31 = 12,566.51 : x
2. Step 2: Convert to fraction form
   22,638.33/31,240.31 = 12,566.51/x
3. Step 3: Cross multiply
   22,638.33x = 31,240.31 × 12,566.51
4. Step 4: Simplify right side
   22,638.33x = 392,581,448.98
5. Step 5: Solve for x
   x = 392,581,448.98/22,638.33
6. Step 6: Final answer
   x = 17,341.45