Finding the Fourth Proportional to 7,073.87, 9,761.72 and 4,089.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,073.87 : 9,761.72 = 4,089.83 : x
2. Step 2: Convert to fraction form
   7,073.87/9,761.72 = 4,089.83/x
3. Step 3: Cross multiply
   7,073.87x = 9,761.72 × 4,089.83
4. Step 4: Simplify right side
   7,073.87x = 39,923,706.05
5. Step 5: Solve for x
   x = 39,923,706.05/7,073.87
6. Step 6: Final answer
   x = 5,643.83