Finding the Fourth Proportional to 23,535.12, 32,478.42 and 12,924.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,535.12 : 32,478.42 = 12,924.78 : x
2. Step 2: Convert to fraction form
   23,535.12/32,478.42 = 12,924.78/x
3. Step 3: Cross multiply
   23,535.12x = 32,478.42 × 12,924.78
4. Step 4: Simplify right side
   23,535.12x = 419,776,433.25
5. Step 5: Solve for x
   x = 419,776,433.25/23,535.12
6. Step 6: Final answer
   x = 17,836.17