Finding the Fourth Proportional to 5,514.50, 7,610.20 and 3,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514.50 : 7,610.20 = 3,030.50 : x
2. Step 2: Convert to fraction form
   5,514.50/7,610.20 = 3,030.50/x
3. Step 3: Cross multiply
   5,514.50x = 7,610.20 × 3,030.50
4. Step 4: Simplify right side
   5,514.50x = 23,062,711.10
5. Step 5: Solve for x
   x = 23,062,711.10/5,514.50
6. Step 6: Final answer
   x = 4,182.19