Finding the Fourth Proportional to 12,399.67, 17,103.99 and 7,360.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399.67 : 17,103.99 = 7,360.48 : x
2. Step 2: Convert to fraction form
   12,399.67/17,103.99 = 7,360.48/x
3. Step 3: Cross multiply
   12,399.67x = 17,103.99 × 7,360.48
4. Step 4: Simplify right side
   12,399.67x = 125,893,576.32
5. Step 5: Solve for x
   x = 125,893,576.32/12,399.67
6. Step 6: Final answer
   x = 10,152.98