Finding the Fourth Proportional to 23,275.47, 32,120.85 and 12,665.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,275.47 : 32,120.85 = 12,665.82 : x
2. Step 2: Convert to fraction form
   23,275.47/32,120.85 = 12,665.82/x
3. Step 3: Cross multiply
   23,275.47x = 32,120.85 × 12,665.82
4. Step 4: Simplify right side
   23,275.47x = 406,836,904.35
5. Step 5: Solve for x
   x = 406,836,904.35/23,275.47
6. Step 6: Final answer
   x = 17,479.21