Finding the Fourth Proportional to 8,040.86, 12,103.20 and 7,276.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,040.86 : 12,103.20 = 7,276.76 : x
2. Step 2: Convert to fraction form
   8,040.86/12,103.20 = 7,276.76/x
3. Step 3: Cross multiply
   8,040.86x = 12,103.20 × 7,276.76
4. Step 4: Simplify right side
   8,040.86x = 88,072,081.63
5. Step 5: Solve for x
   x = 88,072,081.63/8,040.86
6. Step 6: Final answer
   x = 10,953.07