Finding the Fourth Proportional to 3,710.52, 5,120.66 and 2,031.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.52 : 5,120.66 = 2,031.82 : x
2. Step 2: Convert to fraction form
   3,710.52/5,120.66 = 2,031.82/x
3. Step 3: Cross multiply
   3,710.52x = 5,120.66 × 2,031.82
4. Step 4: Simplify right side
   3,710.52x = 10,404,259.40
5. Step 5: Solve for x
   x = 10,404,259.40/3,710.52
6. Step 6: Final answer
   x = 2,803.99