Finding the Fourth Proportional to 1,104.03, 1,522.62 and 788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.03 : 1,522.62 = 788.72 : x
2. Step 2: Convert to fraction form
   1,104.03/1,522.62 = 788.72/x
3. Step 3: Cross multiply
   1,104.03x = 1,522.62 × 788.72
4. Step 4: Simplify right side
   1,104.03x = 1,200,913.23
5. Step 5: Solve for x
   x = 1,200,913.23/1,104.03
6. Step 6: Final answer
   x = 1,087.75