Finding the Fourth Proportional to 2,669.67, 3,684.20 and 1,550.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.67 : 3,684.20 = 1,550.70 : x
2. Step 2: Convert to fraction form
   2,669.67/3,684.20 = 1,550.70/x
3. Step 3: Cross multiply
   2,669.67x = 3,684.20 × 1,550.70
4. Step 4: Simplify right side
   2,669.67x = 5,713,081.19
5. Step 5: Solve for x
   x = 5,713,081.19/2,669.67
6. Step 6: Final answer
   x = 2,140.00