Finding the Fourth Proportional to 2,550.06, 3,521.70 and 1,665.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.06 : 3,521.70 = 1,665.54 : x
2. Step 2: Convert to fraction form
   2,550.06/3,521.70 = 1,665.54/x
3. Step 3: Cross multiply
   2,550.06x = 3,521.70 × 1,665.54
4. Step 4: Simplify right side
   2,550.06x = 5,865,532.22
5. Step 5: Solve for x
   x = 5,865,532.22/2,550.06
6. Step 6: Final answer
   x = 2,300.15