Finding the Fourth Proportional to 1,479.14, 2,040.58 and 1,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.14 : 2,040.58 = 1,085.48 : x
2. Step 2: Convert to fraction form
   1,479.14/2,040.58 = 1,085.48/x
3. Step 3: Cross multiply
   1,479.14x = 2,040.58 × 1,085.48
4. Step 4: Simplify right side
   1,479.14x = 2,215,008.78
5. Step 5: Solve for x
   x = 2,215,008.78/1,479.14
6. Step 6: Final answer
   x = 1,497.50