Finding the Fourth Proportional to 7,028.93, 9,699.82 and 3,885.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,028.93 : 9,699.82 = 3,885.05 : x
2. Step 2: Convert to fraction form
   7,028.93/9,699.82 = 3,885.05/x
3. Step 3: Cross multiply
   7,028.93x = 9,699.82 × 3,885.05
4. Step 4: Simplify right side
   7,028.93x = 37,684,285.69
5. Step 5: Solve for x
   x = 37,684,285.69/7,028.93
6. Step 6: Final answer
   x = 5,361.31