Finding the Fourth Proportional to 1,724.61, 2,379.54 and 1,016.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.61 : 2,379.54 = 1,016.49 : x
2. Step 2: Convert to fraction form
   1,724.61/2,379.54 = 1,016.49/x
3. Step 3: Cross multiply
   1,724.61x = 2,379.54 × 1,016.49
4. Step 4: Simplify right side
   1,724.61x = 2,418,778.61
5. Step 5: Solve for x
   x = 2,418,778.61/1,724.61
6. Step 6: Final answer
   x = 1,402.51