Finding the Fourth Proportional to 12,379.18, 17,080.17 and 7,343.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.18 : 17,080.17 = 7,343.16 : x
2. Step 2: Convert to fraction form
   12,379.18/17,080.17 = 7,343.16/x
3. Step 3: Cross multiply
   12,379.18x = 17,080.17 × 7,343.16
4. Step 4: Simplify right side
   12,379.18x = 125,422,329.55
5. Step 5: Solve for x
   x = 125,422,329.55/12,379.18
6. Step 6: Final answer
   x = 10,131.72