Finding the Fourth Proportional to 1,724.55, 2,380.94 and 1,062.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.55 : 2,380.94 = 1,062.30 : x
2. Step 2: Convert to fraction form
   1,724.55/2,380.94 = 1,062.30/x
3. Step 3: Cross multiply
   1,724.55x = 2,380.94 × 1,062.30
4. Step 4: Simplify right side
   1,724.55x = 2,529,267.25
5. Step 5: Solve for x
   x = 2,529,267.25/1,724.55
6. Step 6: Final answer
   x = 1,466.62