Finding the Fourth Proportional to 2,870.05, 4,304.51 and 789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.05 : 4,304.51 = 789.52 : x
2. Step 2: Convert to fraction form
   2,870.05/4,304.51 = 789.52/x
3. Step 3: Cross multiply
   2,870.05x = 4,304.51 × 789.52
4. Step 4: Simplify right side
   2,870.05x = 3,398,471.27
5. Step 5: Solve for x
   x = 3,398,471.27/2,870.05
6. Step 6: Final answer
   x = 1,184.12