Finding the Fourth Proportional to 23,435.15, 32,340.46 and 12,824.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,435.15 : 32,340.46 = 12,824.78 : x
2. Step 2: Convert to fraction form
   23,435.15/32,340.46 = 12,824.78/x
3. Step 3: Cross multiply
   23,435.15x = 32,340.46 × 12,824.78
4. Step 4: Simplify right side
   23,435.15x = 414,759,284.60
5. Step 5: Solve for x
   x = 414,759,284.60/23,435.15
6. Step 6: Final answer
   x = 17,698.17