Finding the Fourth Proportional to 7,018.24, 10,525.20 and 3,555.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.24 : 10,525.20 = 3,555.04 : x
2. Step 2: Convert to fraction form
   7,018.24/10,525.20 = 3,555.04/x
3. Step 3: Cross multiply
   7,018.24x = 10,525.20 × 3,555.04
4. Step 4: Simplify right side
   7,018.24x = 37,417,507.01
5. Step 5: Solve for x
   x = 37,417,507.01/7,018.24
6. Step 6: Final answer
   x = 5,331.47