Finding the Fourth Proportional to 7,073.57, 9,761.57 and 3,886.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,073.57 : 9,761.57 = 3,886.83 : x
2. Step 2: Convert to fraction form
   7,073.57/9,761.57 = 3,886.83/x
3. Step 3: Cross multiply
   7,073.57x = 9,761.57 × 3,886.83
4. Step 4: Simplify right side
   7,073.57x = 37,941,563.12
5. Step 5: Solve for x
   x = 37,941,563.12/7,073.57
6. Step 6: Final answer
   x = 5,363.85