Finding the Fourth Proportional to 1,074.10, 1,482.72 and 701.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.10 : 1,482.72 = 701.80 : x
2. Step 2: Convert to fraction form
   1,074.10/1,482.72 = 701.80/x
3. Step 3: Cross multiply
   1,074.10x = 1,482.72 × 701.80
4. Step 4: Simplify right side
   1,074.10x = 1,040,572.90
5. Step 5: Solve for x
   x = 1,040,572.90/1,074.10
6. Step 6: Final answer
   x = 968.79