Finding the Fourth Proportional to 2,068.98, 3,117.72 and 1,711.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.98 : 3,117.72 = 1,711.80 : x
2. Step 2: Convert to fraction form
   2,068.98/3,117.72 = 1,711.80/x
3. Step 3: Cross multiply
   2,068.98x = 3,117.72 × 1,711.80
4. Step 4: Simplify right side
   2,068.98x = 5,336,913.10
5. Step 5: Solve for x
   x = 5,336,913.10/2,068.98
6. Step 6: Final answer
   x = 2,579.49