Finding the Fourth Proportional to 23,864.04, 32,931.90 and 13,253.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,864.04 : 32,931.90 = 13,253.31 : x
2. Step 2: Convert to fraction form
   23,864.04/32,931.90 = 13,253.31/x
3. Step 3: Cross multiply
   23,864.04x = 32,931.90 × 13,253.31
4. Step 4: Simplify right side
   23,864.04x = 436,456,679.59
5. Step 5: Solve for x
   x = 436,456,679.59/23,864.04
6. Step 6: Final answer
   x = 18,289.30