Finding the Fourth Proportional to 1,697.32, 2,549.34 and 1,031.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.32 : 2,549.34 = 1,031.59 : x
2. Step 2: Convert to fraction form
   1,697.32/2,549.34 = 1,031.59/x
3. Step 3: Cross multiply
   1,697.32x = 2,549.34 × 1,031.59
4. Step 4: Simplify right side
   1,697.32x = 2,629,873.65
5. Step 5: Solve for x
   x = 2,629,873.65/1,697.32
6. Step 6: Final answer
   x = 1,549.43