Finding the Fourth Proportional to 5,406.48, 7,459.38 and 3,520.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406.48 : 7,459.38 = 3,520.83 : x
2. Step 2: Convert to fraction form
   5,406.48/7,459.38 = 3,520.83/x
3. Step 3: Cross multiply
   5,406.48x = 7,459.38 × 3,520.83
4. Step 4: Simplify right side
   5,406.48x = 26,263,208.89
5. Step 5: Solve for x
   x = 26,263,208.89/5,406.48
6. Step 6: Final answer
   x = 4,857.73