Finding the Fourth Proportional to 2,094.09, 3,140.06 and 861.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.09 : 3,140.06 = 861.27 : x
2. Step 2: Convert to fraction form
   2,094.09/3,140.06 = 861.27/x
3. Step 3: Cross multiply
   2,094.09x = 3,140.06 × 861.27
4. Step 4: Simplify right side
   2,094.09x = 2,704,435.17
5. Step 5: Solve for x
   x = 2,704,435.17/2,094.09
6. Step 6: Final answer
   x = 1,291.46