Finding the Fourth Proportional to 5,445.30, 7,514.55 and 3,087.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,445.30 : 7,514.55 = 3,087.48 : x
2. Step 2: Convert to fraction form
   5,445.30/7,514.55 = 3,087.48/x
3. Step 3: Cross multiply
   5,445.30x = 7,514.55 × 3,087.48
4. Step 4: Simplify right side
   5,445.30x = 23,201,022.83
5. Step 5: Solve for x
   x = 23,201,022.83/5,445.30
6. Step 6: Final answer
   x = 4,260.74