Finding the Fourth Proportional to 2,669.48, 3,684.30 and 1,550.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.48 : 3,684.30 = 1,550.42 : x
2. Step 2: Convert to fraction form
   2,669.48/3,684.30 = 1,550.42/x
3. Step 3: Cross multiply
   2,669.48x = 3,684.30 × 1,550.42
4. Step 4: Simplify right side
   2,669.48x = 5,712,212.41
5. Step 5: Solve for x
   x = 5,712,212.41/2,669.48
6. Step 6: Final answer
   x = 2,139.82