Finding the Fourth Proportional to 1,724.95, 2,380.89 and 1,016.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.95 : 2,380.89 = 1,016.88 : x
2. Step 2: Convert to fraction form
   1,724.95/2,380.89 = 1,016.88/x
3. Step 3: Cross multiply
   1,724.95x = 2,380.89 × 1,016.88
4. Step 4: Simplify right side
   1,724.95x = 2,421,079.42
5. Step 5: Solve for x
   x = 2,421,079.42/1,724.95
6. Step 6: Final answer
   x = 1,403.56