Finding the Fourth Proportional to 11,104.72, 15,320.84 and 7,329.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,104.72 : 15,320.84 = 7,329.76 : x
2. Step 2: Convert to fraction form
   11,104.72/15,320.84 = 7,329.76/x
3. Step 3: Cross multiply
   11,104.72x = 15,320.84 × 7,329.76
4. Step 4: Simplify right side
   11,104.72x = 112,298,080.20
5. Step 5: Solve for x
   x = 112,298,080.20/11,104.72
6. Step 6: Final answer
   x = 10,112.64