Finding the Fourth Proportional to 2,627.22, 3,939.67 and 1,394.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.22 : 3,939.67 = 1,394.35 : x
2. Step 2: Convert to fraction form
   2,627.22/3,939.67 = 1,394.35/x
3. Step 3: Cross multiply
   2,627.22x = 3,939.67 × 1,394.35
4. Step 4: Simplify right side
   2,627.22x = 5,493,278.86
5. Step 5: Solve for x
   x = 5,493,278.86/2,627.22
6. Step 6: Final answer
   x = 2,090.91