Finding the Fourth Proportional to 12,389.12, 17,092.82 and 7,080.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.12 : 17,092.82 = 7,080.18 : x
2. Step 2: Convert to fraction form
   12,389.12/17,092.82 = 7,080.18/x
3. Step 3: Cross multiply
   12,389.12x = 17,092.82 × 7,080.18
4. Step 4: Simplify right side
   12,389.12x = 121,020,260.01
5. Step 5: Solve for x
   x = 121,020,260.01/12,389.12
6. Step 6: Final answer
   x = 9,768.27