Finding the Fourth Proportional to 3,655.30, 5,499.15 and 3,425.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655.30 : 5,499.15 = 3,425.26 : x
2. Step 2: Convert to fraction form
   3,655.30/5,499.15 = 3,425.26/x
3. Step 3: Cross multiply
   3,655.30x = 5,499.15 × 3,425.26
4. Step 4: Simplify right side
   3,655.30x = 18,836,018.53
5. Step 5: Solve for x
   x = 18,836,018.53/3,655.30
6. Step 6: Final answer
   x = 5,153.07