Finding the Fourth Proportional to 3,645.10, 5,471.98 and 3,496.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.10 : 5,471.98 = 3,496.56 : x
2. Step 2: Convert to fraction form
   3,645.10/5,471.98 = 3,496.56/x
3. Step 3: Cross multiply
   3,645.10x = 5,471.98 × 3,496.56
4. Step 4: Simplify right side
   3,645.10x = 19,133,106.39
5. Step 5: Solve for x
   x = 19,133,106.39/3,645.10
6. Step 6: Final answer
   x = 5,248.99