Finding the Fourth Proportional to 2,492.55, 3,739.10 and 1,031.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.55 : 3,739.10 = 1,031.49 : x
2. Step 2: Convert to fraction form
   2,492.55/3,739.10 = 1,031.49/x
3. Step 3: Cross multiply
   2,492.55x = 3,739.10 × 1,031.49
4. Step 4: Simplify right side
   2,492.55x = 3,856,839.10
5. Step 5: Solve for x
   x = 3,856,839.10/2,492.55
6. Step 6: Final answer
   x = 1,547.35