Finding the Fourth Proportional to 23,501.92, 32,432.48 and 12,891.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.92 : 32,432.48 = 12,891.48 : x
2. Step 2: Convert to fraction form
   23,501.92/32,432.48 = 12,891.48/x
3. Step 3: Cross multiply
   23,501.92x = 32,432.48 × 12,891.48
4. Step 4: Simplify right side
   23,501.92x = 418,102,667.27
5. Step 5: Solve for x
   x = 418,102,667.27/23,501.92
6. Step 6: Final answer
   x = 17,790.15