Finding the Fourth Proportional to 8,141.04, 12,216.96 and 7,043.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.04 : 12,216.96 = 7,043.76 : x
2. Step 2: Convert to fraction form
   8,141.04/12,216.96 = 7,043.76/x
3. Step 3: Cross multiply
   8,141.04x = 12,216.96 × 7,043.76
4. Step 4: Simplify right side
   8,141.04x = 86,053,334.17
5. Step 5: Solve for x
   x = 86,053,334.17/8,141.04
6. Step 6: Final answer
   x = 10,570.31