Finding the Fourth Proportional to 1,074.55, 1,483.38 and 782.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.55 : 1,483.38 = 782.04 : x
2. Step 2: Convert to fraction form
   1,074.55/1,483.38 = 782.04/x
3. Step 3: Cross multiply
   1,074.55x = 1,483.38 × 782.04
4. Step 4: Simplify right side
   1,074.55x = 1,160,062.50
5. Step 5: Solve for x
   x = 1,160,062.50/1,074.55
6. Step 6: Final answer
   x = 1,079.58