Finding the Fourth Proportional to 12,335.17, 17,016.76 and 8,085.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,335.17 : 17,016.76 = 8,085.10 : x
2. Step 2: Convert to fraction form
   12,335.17/17,016.76 = 8,085.10/x
3. Step 3: Cross multiply
   12,335.17x = 17,016.76 × 8,085.10
4. Step 4: Simplify right side
   12,335.17x = 137,582,143.52
5. Step 5: Solve for x
   x = 137,582,143.52/12,335.17
6. Step 6: Final answer
   x = 11,153.65