Finding the Fourth Proportional to 5,410.78, 7,465.69 and 3,522.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.78 : 7,465.69 = 3,522.16 : x
2. Step 2: Convert to fraction form
   5,410.78/7,465.69 = 3,522.16/x
3. Step 3: Cross multiply
   5,410.78x = 7,465.69 × 3,522.16
4. Step 4: Simplify right side
   5,410.78x = 26,295,354.69
5. Step 5: Solve for x
   x = 26,295,354.69/5,410.78
6. Step 6: Final answer
   x = 4,859.81