Finding the Fourth Proportional to 17,439.06, 24,057.86 and 12,648.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,439.06 : 24,057.86 = 12,648.54 : x
2. Step 2: Convert to fraction form
   17,439.06/24,057.86 = 12,648.54/x
3. Step 3: Cross multiply
   17,439.06x = 24,057.86 × 12,648.54
4. Step 4: Simplify right side
   17,439.06x = 304,296,804.52
5. Step 5: Solve for x
   x = 304,296,804.52/17,439.06
6. Step 6: Final answer
   x = 17,449.15