Finding the Fourth Proportional to 23,900.52, 32,981.86 and 13,289.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,900.52 : 32,981.86 = 13,289.92 : x
2. Step 2: Convert to fraction form
   23,900.52/32,981.86 = 13,289.92/x
3. Step 3: Cross multiply
   23,900.52x = 32,981.86 × 13,289.92
4. Step 4: Simplify right side
   23,900.52x = 438,326,363.15
5. Step 5: Solve for x
   x = 438,326,363.15/23,900.52
6. Step 6: Final answer
   x = 18,339.62