Finding the Fourth Proportional to 7,029.50, 9,700.72 and 3,885.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,029.50 : 9,700.72 = 3,885.69 : x
2. Step 2: Convert to fraction form
   7,029.50/9,700.72 = 3,885.69/x
3. Step 3: Cross multiply
   7,029.50x = 9,700.72 × 3,885.69
4. Step 4: Simplify right side
   7,029.50x = 37,693,976.16
5. Step 5: Solve for x
   x = 37,693,976.16/7,029.50
6. Step 6: Final answer
   x = 5,362.26