Finding the Fourth Proportional to 23,391.68, 32,280.98 and 12,781.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,391.68 : 32,280.98 = 12,781.98 : x
2. Step 2: Convert to fraction form
   23,391.68/32,280.98 = 12,781.98/x
3. Step 3: Cross multiply
   23,391.68x = 32,280.98 × 12,781.98
4. Step 4: Simplify right side
   23,391.68x = 412,614,776.83
5. Step 5: Solve for x
   x = 412,614,776.83/23,391.68
6. Step 6: Final answer
   x = 17,639.39