Finding the Fourth Proportional to 11,520.05, 17,279.47 and 5,674.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,520.05 : 17,279.47 = 5,674.69 : x
2. Step 2: Convert to fraction form
   11,520.05/17,279.47 = 5,674.69/x
3. Step 3: Cross multiply
   11,520.05x = 17,279.47 × 5,674.69
4. Step 4: Simplify right side
   11,520.05x = 98,055,599.51
5. Step 5: Solve for x
   x = 98,055,599.51/11,520.05
6. Step 6: Final answer
   x = 8,511.73