Finding the Fourth Proportional to 7,020.59, 9,688.43 and 3,833.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,020.59 : 9,688.43 = 3,833.91 : x
2. Step 2: Convert to fraction form
   7,020.59/9,688.43 = 3,833.91/x
3. Step 3: Cross multiply
   7,020.59x = 9,688.43 × 3,833.91
4. Step 4: Simplify right side
   7,020.59x = 37,144,614.58
5. Step 5: Solve for x
   x = 37,144,614.58/7,020.59
6. Step 6: Final answer
   x = 5,290.81