Finding the Fourth Proportional to 22,872.88, 31,561.80 and 12,801.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,872.88 : 31,561.80 = 12,801.84 : x
2. Step 2: Convert to fraction form
   22,872.88/31,561.80 = 12,801.84/x
3. Step 3: Cross multiply
   22,872.88x = 31,561.80 × 12,801.84
4. Step 4: Simplify right side
   22,872.88x = 404,049,113.71
5. Step 5: Solve for x
   x = 404,049,113.71/22,872.88
6. Step 6: Final answer
   x = 17,664.99