Finding the Fourth Proportional to 23,475.20, 32,396.56 and 12,864.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,475.20 : 32,396.56 = 12,864.74 : x
2. Step 2: Convert to fraction form
   23,475.20/32,396.56 = 12,864.74/x
3. Step 3: Cross multiply
   23,475.20x = 32,396.56 × 12,864.74
4. Step 4: Simplify right side
   23,475.20x = 416,773,159.31
5. Step 5: Solve for x
   x = 416,773,159.31/23,475.20
6. Step 6: Final answer
   x = 17,753.77