Finding the Fourth Proportional to 1,402.26, 2,086.86 and 1,350.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.26 : 2,086.86 = 1,350.42 : x
2. Step 2: Convert to fraction form
   1,402.26/2,086.86 = 1,350.42/x
3. Step 3: Cross multiply
   1,402.26x = 2,086.86 × 1,350.42
4. Step 4: Simplify right side
   1,402.26x = 2,818,137.48
5. Step 5: Solve for x
   x = 2,818,137.48/1,402.26
6. Step 6: Final answer
   x = 2,009.71