Finding the Fourth Proportional to 11,714.17, 16,168.15 and 8,085.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,714.17 : 16,168.15 = 8,085.31 : x
2. Step 2: Convert to fraction form
   11,714.17/16,168.15 = 8,085.31/x
3. Step 3: Cross multiply
   11,714.17x = 16,168.15 × 8,085.31
4. Step 4: Simplify right side
   11,714.17x = 130,724,565.51
5. Step 5: Solve for x
   x = 130,724,565.51/11,714.17
6. Step 6: Final answer
   x = 11,159.52