Finding the Fourth Proportional to 14,085.76, 19,433.28 and 8,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,085.76 : 19,433.28 = 8,494.72 : x
2. Step 2: Convert to fraction form
   14,085.76/19,433.28 = 8,494.72/x
3. Step 3: Cross multiply
   14,085.76x = 19,433.28 × 8,494.72
4. Step 4: Simplify right side
   14,085.76x = 165,080,272.28
5. Step 5: Solve for x
   x = 165,080,272.28/14,085.76
6. Step 6: Final answer
   x = 11,719.66