Finding the Fourth Proportional to 3,505.62, 5,229.70 and 3,410.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.62 : 5,229.70 = 3,410.28 : x
2. Step 2: Convert to fraction form
   3,505.62/5,229.70 = 3,410.28/x
3. Step 3: Cross multiply
   3,505.62x = 5,229.70 × 3,410.28
4. Step 4: Simplify right side
   3,505.62x = 17,834,741.32
5. Step 5: Solve for x
   x = 17,834,741.32/3,505.62
6. Step 6: Final answer
   x = 5,087.47