Finding the Fourth Proportional to 2,669.48, 3,683.86 and 1,550.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.48 : 3,683.86 = 1,550.46 : x
2. Step 2: Convert to fraction form
   2,669.48/3,683.86 = 1,550.46/x
3. Step 3: Cross multiply
   2,669.48x = 3,683.86 × 1,550.46
4. Step 4: Simplify right side
   2,669.48x = 5,711,677.58
5. Step 5: Solve for x
   x = 5,711,677.58/2,669.48
6. Step 6: Final answer
   x = 2,139.63