Finding the Fourth Proportional to 2,388.69, 3,297.51 and 1,550.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.69 : 3,297.51 = 1,550.61 : x
2. Step 2: Convert to fraction form
   2,388.69/3,297.51 = 1,550.61/x
3. Step 3: Cross multiply
   2,388.69x = 3,297.51 × 1,550.61
4. Step 4: Simplify right side
   2,388.69x = 5,113,151.98
5. Step 5: Solve for x
   x = 5,113,151.98/2,388.69
6. Step 6: Final answer
   x = 2,140.57