Finding the Fourth Proportional to 8,109.71, 12,141.02 and 7,265.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.71 : 12,141.02 = 7,265.59 : x
2. Step 2: Convert to fraction form
   8,109.71/12,141.02 = 7,265.59/x
3. Step 3: Cross multiply
   8,109.71x = 12,141.02 × 7,265.59
4. Step 4: Simplify right side
   8,109.71x = 88,211,661.31
5. Step 5: Solve for x
   x = 88,211,661.31/8,109.71
6. Step 6: Final answer
   x = 10,877.29