Finding the Fourth Proportional to 23,275.53, 32,120.96 and 12,665.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,275.53 : 32,120.96 = 12,665.88 : x
2. Step 2: Convert to fraction form
   23,275.53/32,120.96 = 12,665.88/x
3. Step 3: Cross multiply
   23,275.53x = 32,120.96 × 12,665.88
4. Step 4: Simplify right side
   23,275.53x = 406,840,161.52
5. Step 5: Solve for x
   x = 406,840,161.52/23,275.53
6. Step 6: Final answer
   x = 17,479.31