Finding the Fourth Proportional to 23,275.95, 32,120.76 and 12,665.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,275.95 : 32,120.76 = 12,665.52 : x
2. Step 2: Convert to fraction form
   23,275.95/32,120.76 = 12,665.52/x
3. Step 3: Cross multiply
   23,275.95x = 32,120.76 × 12,665.52
4. Step 4: Simplify right side
   23,275.95x = 406,826,128.20
5. Step 5: Solve for x
   x = 406,826,128.20/23,275.95
6. Step 6: Final answer
   x = 17,478.39