Finding the Fourth Proportional to 7,003.89, 10,509.48 and 5,514

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.89 : 10,509.48 = 5,514 : x
2. Step 2: Convert to fraction form
   7,003.89/10,509.48 = 5,514/x
3. Step 3: Cross multiply
   7,003.89x = 10,509.48 × 5,514
4. Step 4: Simplify right side
   7,003.89x = 57,949,272.72
5. Step 5: Solve for x
   x = 57,949,272.72/7,003.89
6. Step 6: Final answer
   x = 8,273.87