Finding the Fourth Proportional to 22,933.01, 31,648.73 and 12,863.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,933.01 : 31,648.73 = 12,863.57 : x
2. Step 2: Convert to fraction form
   22,933.01/31,648.73 = 12,863.57/x
3. Step 3: Cross multiply
   22,933.01x = 31,648.73 × 12,863.57
4. Step 4: Simplify right side
   22,933.01x = 407,115,589.45
5. Step 5: Solve for x
   x = 407,115,589.45/22,933.01
6. Step 6: Final answer
   x = 17,752.38