Finding the Fourth Proportional to 2,271.18, 3,406.69 and 627.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.18 : 3,406.69 = 627.69 : x
2. Step 2: Convert to fraction form
   2,271.18/3,406.69 = 627.69/x
3. Step 3: Cross multiply
   2,271.18x = 3,406.69 × 627.69
4. Step 4: Simplify right side
   2,271.18x = 2,138,345.25
5. Step 5: Solve for x
   x = 2,138,345.25/2,271.18
6. Step 6: Final answer
   x = 941.51