Finding the Fourth Proportional to 2,094.49, 3,141.73 and 861.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.49 : 3,141.73 = 861.03 : x
2. Step 2: Convert to fraction form
   2,094.49/3,141.73 = 861.03/x
3. Step 3: Cross multiply
   2,094.49x = 3,141.73 × 861.03
4. Step 4: Simplify right side
   2,094.49x = 2,705,123.78
5. Step 5: Solve for x
   x = 2,705,123.78/2,094.49
6. Step 6: Final answer
   x = 1,291.54