Finding the Fourth Proportional to 2,271.50, 3,406.68 and 627.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.50 : 3,406.68 = 627.96 : x
2. Step 2: Convert to fraction form
   2,271.50/3,406.68 = 627.96/x
3. Step 3: Cross multiply
   2,271.50x = 3,406.68 × 627.96
4. Step 4: Simplify right side
   2,271.50x = 2,139,258.77
5. Step 5: Solve for x
   x = 2,139,258.77/2,271.50
6. Step 6: Final answer
   x = 941.78