Finding the Fourth Proportional to 23,505.04, 32,439.04 and 12,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,505.04 : 32,439.04 = 12,896.72 : x
2. Step 2: Convert to fraction form
   23,505.04/32,439.04 = 12,896.72/x
3. Step 3: Cross multiply
   23,505.04x = 32,439.04 × 12,896.72
4. Step 4: Simplify right side
   23,505.04x = 418,357,215.95
5. Step 5: Solve for x
   x = 418,357,215.95/23,505.04
6. Step 6: Final answer
   x = 17,798.62