Finding the Fourth Proportional to 8,291.30, 12,435.86 and 2,743.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,291.30 : 12,435.86 = 2,743.27 : x
2. Step 2: Convert to fraction form
   8,291.30/12,435.86 = 2,743.27/x
3. Step 3: Cross multiply
   8,291.30x = 12,435.86 × 2,743.27
4. Step 4: Simplify right side
   8,291.30x = 34,114,897.43
5. Step 5: Solve for x
   x = 34,114,897.43/8,291.30
6. Step 6: Final answer
   x = 4,114.54