Finding the Fourth Proportional to 2,071.79, 2,863.17 and 1,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.79 : 2,863.17 = 1,698.18 : x
2. Step 2: Convert to fraction form
   2,071.79/2,863.17 = 1,698.18/x
3. Step 3: Cross multiply
   2,071.79x = 2,863.17 × 1,698.18
4. Step 4: Simplify right side
   2,071.79x = 4,862,178.03
5. Step 5: Solve for x
   x = 4,862,178.03/2,071.79
6. Step 6: Final answer
   x = 2,346.85