Finding the Fourth Proportional to 12,648.83, 17,454.06 and 7,342.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.83 : 17,454.06 = 7,342.61 : x
2. Step 2: Convert to fraction form
   12,648.83/17,454.06 = 7,342.61/x
3. Step 3: Cross multiply
   12,648.83x = 17,454.06 × 7,342.61
4. Step 4: Simplify right side
   12,648.83x = 128,158,355.50
5. Step 5: Solve for x
   x = 128,158,355.50/12,648.83
6. Step 6: Final answer
   x = 10,132.03