Finding the Fourth Proportional to 22,641.02, 31,244.73 and 12,569.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,641.02 : 31,244.73 = 12,569.30 : x
2. Step 2: Convert to fraction form
   22,641.02/31,244.73 = 12,569.30/x
3. Step 3: Cross multiply
   22,641.02x = 31,244.73 × 12,569.30
4. Step 4: Simplify right side
   22,641.02x = 392,724,384.79
5. Step 5: Solve for x
   x = 392,724,384.79/22,641.02
6. Step 6: Final answer
   x = 17,345.70