Finding the Fourth Proportional to 12,111.85, 16,714.37 and 6,806.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.85 : 16,714.37 = 6,806.71 : x
2. Step 2: Convert to fraction form
   12,111.85/16,714.37 = 6,806.71/x
3. Step 3: Cross multiply
   12,111.85x = 16,714.37 × 6,806.71
4. Step 4: Simplify right side
   12,111.85x = 113,769,869.42
5. Step 5: Solve for x
   x = 113,769,869.42/12,111.85
6. Step 6: Final answer
   x = 9,393.27