Finding the Fourth Proportional to 23,475.90, 32,397.17 and 12,865.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,475.90 : 32,397.17 = 12,865.47 : x
2. Step 2: Convert to fraction form
   23,475.90/32,397.17 = 12,865.47/x
3. Step 3: Cross multiply
   23,475.90x = 32,397.17 × 12,865.47
4. Step 4: Simplify right side
   23,475.90x = 416,804,818.72
5. Step 5: Solve for x
   x = 416,804,818.72/23,475.90
6. Step 6: Final answer
   x = 17,754.58