Finding the Fourth Proportional to 2,670.15, 3,683.77 and 1,550.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.15 : 3,683.77 = 1,550.90 : x
2. Step 2: Convert to fraction form
   2,670.15/3,683.77 = 1,550.90/x
3. Step 3: Cross multiply
   2,670.15x = 3,683.77 × 1,550.90
4. Step 4: Simplify right side
   2,670.15x = 5,713,158.89
5. Step 5: Solve for x
   x = 5,713,158.89/2,670.15
6. Step 6: Final answer
   x = 2,139.64