Finding the Fourth Proportional to 12,648.98, 17,439.37 and 10,371.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.98 : 17,439.37 = 10,371.93 : x
2. Step 2: Convert to fraction form
   12,648.98/17,439.37 = 10,371.93/x
3. Step 3: Cross multiply
   12,648.98x = 17,439.37 × 10,371.93
4. Step 4: Simplify right side
   12,648.98x = 180,879,873.02
5. Step 5: Solve for x
   x = 180,879,873.02/12,648.98
6. Step 6: Final answer
   x = 14,299.96