Finding the Fourth Proportional to 3,804.77, 5,706.71 and 1,031.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,804.77 : 5,706.71 = 1,031.28 : x
2. Step 2: Convert to fraction form
   3,804.77/5,706.71 = 1,031.28/x
3. Step 3: Cross multiply
   3,804.77x = 5,706.71 × 1,031.28
4. Step 4: Simplify right side
   3,804.77x = 5,885,215.89
5. Step 5: Solve for x
   x = 5,885,215.89/3,804.77
6. Step 6: Final answer
   x = 1,546.80