Finding the Fourth Proportional to 22,633.47, 31,234.25 and 12,561.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,633.47 : 31,234.25 = 12,561.93 : x
2. Step 2: Convert to fraction form
   22,633.47/31,234.25 = 12,561.93/x
3. Step 3: Cross multiply
   22,633.47x = 31,234.25 × 12,561.93
4. Step 4: Simplify right side
   22,633.47x = 392,362,462.10
5. Step 5: Solve for x
   x = 392,362,462.10/22,633.47
6. Step 6: Final answer
   x = 17,335.50