Finding the Fourth Proportional to 2,017.86, 3,027.42 and 1,669.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.86 : 3,027.42 = 1,669.61 : x
2. Step 2: Convert to fraction form
   2,017.86/3,027.42 = 1,669.61/x
3. Step 3: Cross multiply
   2,017.86x = 3,027.42 × 1,669.61
4. Step 4: Simplify right side
   2,017.86x = 5,054,595.57
5. Step 5: Solve for x
   x = 5,054,595.57/2,017.86
6. Step 6: Final answer
   x = 2,504.93