Finding the Fourth Proportional to 3,549.05, 5,315.37 and 3,426.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549.05 : 5,315.37 = 3,426.03 : x
2. Step 2: Convert to fraction form
   3,549.05/5,315.37 = 3,426.03/x
3. Step 3: Cross multiply
   3,549.05x = 5,315.37 × 3,426.03
4. Step 4: Simplify right side
   3,549.05x = 18,210,617.08
5. Step 5: Solve for x
   x = 18,210,617.08/3,549.05
6. Step 6: Final answer
   x = 5,131.12