Finding the Fourth Proportional to 2,669.01, 3,683.17 and 1,550.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.01 : 3,683.17 = 1,550.40 : x
2. Step 2: Convert to fraction form
   2,669.01/3,683.17 = 1,550.40/x
3. Step 3: Cross multiply
   2,669.01x = 3,683.17 × 1,550.40
4. Step 4: Simplify right side
   2,669.01x = 5,710,386.77
5. Step 5: Solve for x
   x = 5,710,386.77/2,669.01
6. Step 6: Final answer
   x = 2,139.51