Finding the Fourth Proportional to 2,983.61, 4,116.88 and 1,724.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.61 : 4,116.88 = 1,724.61 : x
2. Step 2: Convert to fraction form
   2,983.61/4,116.88 = 1,724.61/x
3. Step 3: Cross multiply
   2,983.61x = 4,116.88 × 1,724.61
4. Step 4: Simplify right side
   2,983.61x = 7,100,012.42
5. Step 5: Solve for x
   x = 7,100,012.42/2,983.61
6. Step 6: Final answer
   x = 2,379.67