Finding the Fourth Proportional to 7,065.42, 10,585.20 and 3,310.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,065.42 : 10,585.20 = 3,310.29 : x
2. Step 2: Convert to fraction form
   7,065.42/10,585.20 = 3,310.29/x
3. Step 3: Cross multiply
   7,065.42x = 10,585.20 × 3,310.29
4. Step 4: Simplify right side
   7,065.42x = 35,040,081.71
5. Step 5: Solve for x
   x = 35,040,081.71/7,065.42
6. Step 6: Final answer
   x = 4,959.38