Finding the Fourth Proportional to 8,042.27, 12,042.63 and 5,551.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,042.27 : 12,042.63 = 5,551.15 : x
2. Step 2: Convert to fraction form
   8,042.27/12,042.63 = 5,551.15/x
3. Step 3: Cross multiply
   8,042.27x = 12,042.63 × 5,551.15
4. Step 4: Simplify right side
   8,042.27x = 66,850,415.42
5. Step 5: Solve for x
   x = 66,850,415.42/8,042.27
6. Step 6: Final answer
   x = 8,312.38