Finding the Fourth Proportional to 3,664.31, 5,500.55 and 2,434.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.31 : 5,500.55 = 2,434.12 : x
2. Step 2: Convert to fraction form
   3,664.31/5,500.55 = 2,434.12/x
3. Step 3: Cross multiply
   3,664.31x = 5,500.55 × 2,434.12
4. Step 4: Simplify right side
   3,664.31x = 13,388,991.10
5. Step 5: Solve for x
   x = 13,388,991.10/3,664.31
6. Step 6: Final answer
   x = 3,653.90