Finding the Fourth Proportional to 23,424.93, 32,326.49 and 12,815.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,424.93 : 32,326.49 = 12,815.15 : x
2. Step 2: Convert to fraction form
   23,424.93/32,326.49 = 12,815.15/x
3. Step 3: Cross multiply
   23,424.93x = 32,326.49 × 12,815.15
4. Step 4: Simplify right side
   23,424.93x = 414,268,688.73
5. Step 5: Solve for x
   x = 414,268,688.73/23,424.93
6. Step 6: Final answer
   x = 17,684.95