Finding the Fourth Proportional to 2,081.61, 2,869.97 and 1,704.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.61 : 2,869.97 = 1,704.15 : x
2. Step 2: Convert to fraction form
   2,081.61/2,869.97 = 1,704.15/x
3. Step 3: Cross multiply
   2,081.61x = 2,869.97 × 1,704.15
4. Step 4: Simplify right side
   2,081.61x = 4,890,850.85
5. Step 5: Solve for x
   x = 4,890,850.85/2,081.61
6. Step 6: Final answer
   x = 2,349.55