Finding the Fourth Proportional to 12,019.86, 16,585.38 and 6,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019.86 : 16,585.38 = 6,714.72 : x
2. Step 2: Convert to fraction form
   12,019.86/16,585.38 = 6,714.72/x
3. Step 3: Cross multiply
   12,019.86x = 16,585.38 × 6,714.72
4. Step 4: Simplify right side
   12,019.86x = 111,366,182.79
5. Step 5: Solve for x
   x = 111,366,182.79/12,019.86
6. Step 6: Final answer
   x = 9,265.18