Finding the Fourth Proportional to 22,872.92, 31,564.71 and 12,803.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,872.92 : 31,564.71 = 12,803.00 : x
2. Step 2: Convert to fraction form
   22,872.92/31,564.71 = 12,803.00/x
3. Step 3: Cross multiply
   22,872.92x = 31,564.71 × 12,803.00
4. Step 4: Simplify right side
   22,872.92x = 404,122,824.31
5. Step 5: Solve for x
   x = 404,122,824.31/22,872.92
6. Step 6: Final answer
   x = 17,668.18