Finding the Fourth Proportional to 1,019.04, 1,405.94 and 576.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.04 : 1,405.94 = 576.94 : x
2. Step 2: Convert to fraction form
   1,019.04/1,405.94 = 576.94/x
3. Step 3: Cross multiply
   1,019.04x = 1,405.94 × 576.94
4. Step 4: Simplify right side
   1,019.04x = 811,143.02
5. Step 5: Solve for x
   x = 811,143.02/1,019.04
6. Step 6: Final answer
   x = 795.99