Finding the Fourth Proportional to 12,684.27, 19,034.30 and 6,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,684.27 : 19,034.30 = 6,111.12 : x
2. Step 2: Convert to fraction form
   12,684.27/19,034.30 = 6,111.12/x
3. Step 3: Cross multiply
   12,684.27x = 19,034.30 × 6,111.12
4. Step 4: Simplify right side
   12,684.27x = 116,320,891.42
5. Step 5: Solve for x
   x = 116,320,891.42/12,684.27
6. Step 6: Final answer
   x = 9,170.48