Finding the Fourth Proportional to 12,068.75, 16,654.59 and 6,691.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068.75 : 16,654.59 = 6,691.16 : x
2. Step 2: Convert to fraction form
   12,068.75/16,654.59 = 6,691.16/x
3. Step 3: Cross multiply
   12,068.75x = 16,654.59 × 6,691.16
4. Step 4: Simplify right side
   12,068.75x = 111,438,593.15
5. Step 5: Solve for x
   x = 111,438,593.15/12,068.75
6. Step 6: Final answer
   x = 9,233.65