Finding the Fourth Proportional to 1,724.18, 2,378.21 and 1,061.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.18 : 2,378.21 = 1,061.24 : x
2. Step 2: Convert to fraction form
   1,724.18/2,378.21 = 1,061.24/x
3. Step 3: Cross multiply
   1,724.18x = 2,378.21 × 1,061.24
4. Step 4: Simplify right side
   1,724.18x = 2,523,834.38
5. Step 5: Solve for x
   x = 2,523,834.38/1,724.18
6. Step 6: Final answer
   x = 1,463.79