Finding the Fourth Proportional to 1,052.80, 1,449.12 and 741.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.80 : 1,449.12 = 741.76 : x
2. Step 2: Convert to fraction form
   1,052.80/1,449.12 = 741.76/x
3. Step 3: Cross multiply
   1,052.80x = 1,449.12 × 741.76
4. Step 4: Simplify right side
   1,052.80x = 1,074,899.25
5. Step 5: Solve for x
   x = 1,074,899.25/1,052.80
6. Step 6: Final answer
   x = 1,020.99