Finding the Fourth Proportional to 1,031.02, 1,546.56 and 261.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.02 : 1,546.56 = 261.52 : x
2. Step 2: Convert to fraction form
   1,031.02/1,546.56 = 261.52/x
3. Step 3: Cross multiply
   1,031.02x = 1,546.56 × 261.52
4. Step 4: Simplify right side
   1,031.02x = 404,456.37
5. Step 5: Solve for x
   x = 404,456.37/1,031.02
6. Step 6: Final answer
   x = 392.29