Finding the Fourth Proportional to 1,724.69, 2,380.28 and 1,026.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.69 : 2,380.28 = 1,026.06 : x
2. Step 2: Convert to fraction form
   1,724.69/2,380.28 = 1,026.06/x
3. Step 3: Cross multiply
   1,724.69x = 2,380.28 × 1,026.06
4. Step 4: Simplify right side
   1,724.69x = 2,442,310.10
5. Step 5: Solve for x
   x = 2,442,310.10/1,724.69
6. Step 6: Final answer
   x = 1,416.09