Finding the Fourth Proportional to 22,934.58, 31,649.31 and 12,863.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,934.58 : 31,649.31 = 12,863.04 : x
2. Step 2: Convert to fraction form
   22,934.58/31,649.31 = 12,863.04/x
3. Step 3: Cross multiply
   22,934.58x = 31,649.31 × 12,863.04
4. Step 4: Simplify right side
   22,934.58x = 407,106,340.50
5. Step 5: Solve for x
   x = 407,106,340.50/22,934.58
6. Step 6: Final answer
   x = 17,750.77