Finding the Fourth Proportional to 3,720.43, 5,134.46 and 2,459.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720.43 : 5,134.46 = 2,459.30 : x
2. Step 2: Convert to fraction form
   3,720.43/5,134.46 = 2,459.30/x
3. Step 3: Cross multiply
   3,720.43x = 5,134.46 × 2,459.30
4. Step 4: Simplify right side
   3,720.43x = 12,627,139.51
5. Step 5: Solve for x
   x = 12,627,139.51/3,720.43
6. Step 6: Final answer
   x = 3,394.00