Finding the Fourth Proportional to 2,389.55, 3,296.48 and 1,550.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.55 : 3,296.48 = 1,550.52 : x
2. Step 2: Convert to fraction form
   2,389.55/3,296.48 = 1,550.52/x
3. Step 3: Cross multiply
   2,389.55x = 3,296.48 × 1,550.52
4. Step 4: Simplify right side
   2,389.55x = 5,111,250.42
5. Step 5: Solve for x
   x = 5,111,250.42/2,389.55
6. Step 6: Final answer
   x = 2,139.01