Finding the Fourth Proportional to 2,328.78, 3,493.41 and 1,031.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.78 : 3,493.41 = 1,031.10 : x
2. Step 2: Convert to fraction form
   2,328.78/3,493.41 = 1,031.10/x
3. Step 3: Cross multiply
   2,328.78x = 3,493.41 × 1,031.10
4. Step 4: Simplify right side
   2,328.78x = 3,602,055.05
5. Step 5: Solve for x
   x = 3,602,055.05/2,328.78
6. Step 6: Final answer
   x = 1,546.76