Finding the Fourth Proportional to 1,697.57, 2,547.29 and 711.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.57 : 2,547.29 = 711.07 : x
2. Step 2: Convert to fraction form
   1,697.57/2,547.29 = 711.07/x
3. Step 3: Cross multiply
   1,697.57x = 2,547.29 × 711.07
4. Step 4: Simplify right side
   1,697.57x = 1,811,288.33
5. Step 5: Solve for x
   x = 1,811,288.33/1,697.57
6. Step 6: Final answer
   x = 1,066.99