Finding the Fourth Proportional to 3,734.56, 5,599.60 and 3,429.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,734.56 : 5,599.60 = 3,429.92 : x
2. Step 2: Convert to fraction form
   3,734.56/5,599.60 = 3,429.92/x
3. Step 3: Cross multiply
   3,734.56x = 5,599.60 × 3,429.92
4. Step 4: Simplify right side
   3,734.56x = 19,206,180.03
5. Step 5: Solve for x
   x = 19,206,180.03/3,734.56
6. Step 6: Final answer
   x = 5,142.82