Finding the Fourth Proportional to 5,514.48, 7,613.19 and 3,528.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514.48 : 7,613.19 = 3,528.09 : x
2. Step 2: Convert to fraction form
   5,514.48/7,613.19 = 3,528.09/x
3. Step 3: Cross multiply
   5,514.48x = 7,613.19 × 3,528.09
4. Step 4: Simplify right side
   5,514.48x = 26,860,019.51
5. Step 5: Solve for x
   x = 26,860,019.51/5,514.48
6. Step 6: Final answer
   x = 4,870.82