Finding the Fourth Proportional to 2,950.56, 4,426.50 and 870.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,950.56 : 4,426.50 = 870.54 : x
2. Step 2: Convert to fraction form
   2,950.56/4,426.50 = 870.54/x
3. Step 3: Cross multiply
   2,950.56x = 4,426.50 × 870.54
4. Step 4: Simplify right side
   2,950.56x = 3,853,445.31
5. Step 5: Solve for x
   x = 3,853,445.31/2,950.56
6. Step 6: Final answer
   x = 1,306.00