Finding the Fourth Proportional to 8,126.30, 12,165.69 and 7,348.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,126.30 : 12,165.69 = 7,348.09 : x
2. Step 2: Convert to fraction form
   8,126.30/12,165.69 = 7,348.09/x
3. Step 3: Cross multiply
   8,126.30x = 12,165.69 × 7,348.09
4. Step 4: Simplify right side
   8,126.30x = 89,394,585.03
5. Step 5: Solve for x
   x = 89,394,585.03/8,126.30
6. Step 6: Final answer
   x = 11,000.65