Finding the Fourth Proportional to 22,871.48, 31,562.96 and 12,800.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,871.48 : 31,562.96 = 12,800.34 : x
2. Step 2: Convert to fraction form
   22,871.48/31,562.96 = 12,800.34/x
3. Step 3: Cross multiply
   22,871.48x = 31,562.96 × 12,800.34
4. Step 4: Simplify right side
   22,871.48x = 404,016,555.40
5. Step 5: Solve for x
   x = 404,016,555.40/22,871.48
6. Step 6: Final answer
   x = 17,664.65