Finding the Fourth Proportional to 5,651.40, 7,802.72 and 3,530.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,651.40 : 7,802.72 = 3,530.16 : x
2. Step 2: Convert to fraction form
   5,651.40/7,802.72 = 3,530.16/x
3. Step 3: Cross multiply
   5,651.40x = 7,802.72 × 3,530.16
4. Step 4: Simplify right side
   5,651.40x = 27,544,850.04
5. Step 5: Solve for x
   x = 27,544,850.04/5,651.40
6. Step 6: Final answer
   x = 4,873.99