Finding the Fourth Proportional to 3,717.31, 5,129.89 and 2,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,717.31 : 5,129.89 = 2,061.31 : x
2. Step 2: Convert to fraction form
   3,717.31/5,129.89 = 2,061.31/x
3. Step 3: Cross multiply
   3,717.31x = 5,129.89 × 2,061.31
4. Step 4: Simplify right side
   3,717.31x = 10,574,308.96
5. Step 5: Solve for x
   x = 10,574,308.96/3,717.31
6. Step 6: Final answer
   x = 2,844.61