Finding the Fourth Proportional to 2,524.42, 3,480.72 and 1,728.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.42 : 3,480.72 = 1,728.13 : x
2. Step 2: Convert to fraction form
   2,524.42/3,480.72 = 1,728.13/x
3. Step 3: Cross multiply
   2,524.42x = 3,480.72 × 1,728.13
4. Step 4: Simplify right side
   2,524.42x = 6,015,136.65
5. Step 5: Solve for x
   x = 6,015,136.65/2,524.42
6. Step 6: Final answer
   x = 2,382.78