Finding the Fourth Proportional to 3,805.12, 5,707.71 and 1,031.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.12 : 5,707.71 = 1,031.82 : x
2. Step 2: Convert to fraction form
   3,805.12/5,707.71 = 1,031.82/x
3. Step 3: Cross multiply
   3,805.12x = 5,707.71 × 1,031.82
4. Step 4: Simplify right side
   3,805.12x = 5,889,329.33
5. Step 5: Solve for x
   x = 5,889,329.33/3,805.12
6. Step 6: Final answer
   x = 1,547.74