Finding the Fourth Proportional to 22,767.82, 31,417.68 and 12,695.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,767.82 : 31,417.68 = 12,695.47 : x
2. Step 2: Convert to fraction form
   22,767.82/31,417.68 = 12,695.47/x
3. Step 3: Cross multiply
   22,767.82x = 31,417.68 × 12,695.47
4. Step 4: Simplify right side
   22,767.82x = 398,862,213.91
5. Step 5: Solve for x
   x = 398,862,213.91/22,767.82
6. Step 6: Final answer
   x = 17,518.68