Finding the Fourth Proportional to 3,782.52, 5,648.28 and 3,090.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.52 : 5,648.28 = 3,090.55 : x
2. Step 2: Convert to fraction form
   3,782.52/5,648.28 = 3,090.55/x
3. Step 3: Cross multiply
   3,782.52x = 5,648.28 × 3,090.55
4. Step 4: Simplify right side
   3,782.52x = 17,456,291.75
5. Step 5: Solve for x
   x = 17,456,291.75/3,782.52
6. Step 6: Final answer
   x = 4,614.99