Finding the Fourth Proportional to 23,229.69, 32,057.31 and 13,157.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,229.69 : 32,057.31 = 13,157.88 : x
2. Step 2: Convert to fraction form
   23,229.69/32,057.31 = 13,157.88/x
3. Step 3: Cross multiply
   23,229.69x = 32,057.31 × 13,157.88
4. Step 4: Simplify right side
   23,229.69x = 421,806,077.82
5. Step 5: Solve for x
   x = 421,806,077.82/23,229.69
6. Step 6: Final answer
   x = 18,158.06