Finding the Fourth Proportional to 5,015.45, 7,524.50 and 1,728.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,015.45 : 7,524.50 = 1,728.79 : x
2. Step 2: Convert to fraction form
   5,015.45/7,524.50 = 1,728.79/x
3. Step 3: Cross multiply
   5,015.45x = 7,524.50 × 1,728.79
4. Step 4: Simplify right side
   5,015.45x = 13,008,252.90
5. Step 5: Solve for x
   x = 13,008,252.90/5,015.45
6. Step 6: Final answer
   x = 2,593.63