Finding the Fourth Proportional to 8,051.86, 12,082.92 and 7,443.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,051.86 : 12,082.92 = 7,443.15 : x
2. Step 2: Convert to fraction form
   8,051.86/12,082.92 = 7,443.15/x
3. Step 3: Cross multiply
   8,051.86x = 12,082.92 × 7,443.15
4. Step 4: Simplify right side
   8,051.86x = 89,934,986.00
5. Step 5: Solve for x
   x = 89,934,986.00/8,051.86
6. Step 6: Final answer
   x = 11,169.47