Finding the Fourth Proportional to 2,870.56, 4,306.08 and 1,022.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.56 : 4,306.08 = 1,022.68 : x
2. Step 2: Convert to fraction form
   2,870.56/4,306.08 = 1,022.68/x
3. Step 3: Cross multiply
   2,870.56x = 4,306.08 × 1,022.68
4. Step 4: Simplify right side
   2,870.56x = 4,403,741.89
5. Step 5: Solve for x
   x = 4,403,741.89/2,870.56
6. Step 6: Final answer
   x = 1,534.11