Finding the Fourth Proportional to 5,353.59, 7,391.20 and 3,493.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,353.59 : 7,391.20 = 3,493.83 : x
2. Step 2: Convert to fraction form
   5,353.59/7,391.20 = 3,493.83/x
3. Step 3: Cross multiply
   5,353.59x = 7,391.20 × 3,493.83
4. Step 4: Simplify right side
   5,353.59x = 25,823,621.83
5. Step 5: Solve for x
   x = 25,823,621.83/5,353.59
6. Step 6: Final answer
   x = 4,823.61