Finding the Fourth Proportional to 7,029.69, 9,700.61 and 3,885.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,029.69 : 9,700.61 = 3,885.27 : x
2. Step 2: Convert to fraction form
   7,029.69/9,700.61 = 3,885.27/x
3. Step 3: Cross multiply
   7,029.69x = 9,700.61 × 3,885.27
4. Step 4: Simplify right side
   7,029.69x = 37,689,455.07
5. Step 5: Solve for x
   x = 37,689,455.07/7,029.69
6. Step 6: Final answer
   x = 5,361.47