Finding the Fourth Proportional to 12,929.18, 17,842.11 and 7,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.18 : 17,842.11 = 7,339.82 : x
2. Step 2: Convert to fraction form
   12,929.18/17,842.11 = 7,339.82/x
3. Step 3: Cross multiply
   12,929.18x = 17,842.11 × 7,339.82
4. Step 4: Simplify right side
   12,929.18x = 130,957,875.82
5. Step 5: Solve for x
   x = 130,957,875.82/12,929.18
6. Step 6: Final answer
   x = 10,128.86