Finding the Fourth Proportional to 2,060.80, 3,086.64 and 1,696.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.80 : 3,086.64 = 1,696.30 : x
2. Step 2: Convert to fraction form
   2,060.80/3,086.64 = 1,696.30/x
3. Step 3: Cross multiply
   2,060.80x = 3,086.64 × 1,696.30
4. Step 4: Simplify right side
   2,060.80x = 5,235,867.43
5. Step 5: Solve for x
   x = 5,235,867.43/2,060.80
6. Step 6: Final answer
   x = 2,540.70