Finding the Fourth Proportional to 1,689.93, 2,535.17 and 716.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.93 : 2,535.17 = 716.04 : x
2. Step 2: Convert to fraction form
   1,689.93/2,535.17 = 716.04/x
3. Step 3: Cross multiply
   1,689.93x = 2,535.17 × 716.04
4. Step 4: Simplify right side
   1,689.93x = 1,815,279.55
5. Step 5: Solve for x
   x = 1,815,279.55/1,689.93
6. Step 6: Final answer
   x = 1,074.17