Finding the Fourth Proportional to 3,606.10, 5,224.51 and 3,606.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.10 : 5,224.51 = 3,606.10 : x
2. Step 2: Convert to fraction form
   3,606.10/5,224.51 = 3,606.10/x
3. Step 3: Cross multiply
   3,606.10x = 5,224.51 × 3,606.10
4. Step 4: Simplify right side
   3,606.10x = 18,840,105.51
5. Step 5: Solve for x
   x = 18,840,105.51/3,606.10
6. Step 6: Final answer
   x = 5,224.51