Finding the Fourth Proportional to 1,104.78, 1,522.58 and 1,073.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.78 : 1,522.58 = 1,073.18 : x
2. Step 2: Convert to fraction form
   1,104.78/1,522.58 = 1,073.18/x
3. Step 3: Cross multiply
   1,104.78x = 1,522.58 × 1,073.18
4. Step 4: Simplify right side
   1,104.78x = 1,634,002.40
5. Step 5: Solve for x
   x = 1,634,002.40/1,104.78
6. Step 6: Final answer
   x = 1,479.03