Finding the Fourth Proportional to 22,691.30, 31,300.71 and 14,738.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,691.30 : 31,300.71 = 14,738.82 : x
2. Step 2: Convert to fraction form
   22,691.30/31,300.71 = 14,738.82/x
3. Step 3: Cross multiply
   22,691.30x = 31,300.71 × 14,738.82
4. Step 4: Simplify right side
   22,691.30x = 461,335,530.56
5. Step 5: Solve for x
   x = 461,335,530.56/22,691.30
6. Step 6: Final answer
   x = 20,330.95