Finding the Fourth Proportional to 7,073.12, 9,760.91 and 3,886.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,073.12 : 9,760.91 = 3,886.62 : x
2. Step 2: Convert to fraction form
   7,073.12/9,760.91 = 3,886.62/x
3. Step 3: Cross multiply
   7,073.12x = 9,760.91 × 3,886.62
4. Step 4: Simplify right side
   7,073.12x = 37,936,928.59
5. Step 5: Solve for x
   x = 37,936,928.59/7,073.12
6. Step 6: Final answer
   x = 5,363.54