Finding the Fourth Proportional to 23,474.76, 32,395.18 and 12,864.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,474.76 : 32,395.18 = 12,864.78 : x
2. Step 2: Convert to fraction form
   23,474.76/32,395.18 = 12,864.78/x
3. Step 3: Cross multiply
   23,474.76x = 32,395.18 × 12,864.78
4. Step 4: Simplify right side
   23,474.76x = 416,756,863.76
5. Step 5: Solve for x
   x = 416,756,863.76/23,474.76
6. Step 6: Final answer
   x = 17,753.40