Finding the Fourth Proportional to 1,734.42, 2,602.89 and 694.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,734.42 : 2,602.89 = 694.71 : x
2. Step 2: Convert to fraction form
   1,734.42/2,602.89 = 694.71/x
3. Step 3: Cross multiply
   1,734.42x = 2,602.89 × 694.71
4. Step 4: Simplify right side
   1,734.42x = 1,808,253.71
5. Step 5: Solve for x
   x = 1,808,253.71/1,734.42
6. Step 6: Final answer
   x = 1,042.57