Finding the Fourth Proportional to 23,523.72, 32,456.16 and 15,145.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,523.72 : 32,456.16 = 15,145.08 : x
2. Step 2: Convert to fraction form
   23,523.72/32,456.16 = 15,145.08/x
3. Step 3: Cross multiply
   23,523.72x = 32,456.16 × 15,145.08
4. Step 4: Simplify right side
   23,523.72x = 491,551,139.69
5. Step 5: Solve for x
   x = 491,551,139.69/23,523.72
6. Step 6: Final answer
   x = 20,895.98