Finding the Fourth Proportional to 1,359.40, 1,874.82 and 1,010.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.40 : 1,874.82 = 1,010.92 : x
2. Step 2: Convert to fraction form
   1,359.40/1,874.82 = 1,010.92/x
3. Step 3: Cross multiply
   1,359.40x = 1,874.82 × 1,010.92
4. Step 4: Simplify right side
   1,359.40x = 1,895,293.03
5. Step 5: Solve for x
   x = 1,895,293.03/1,359.40
6. Step 6: Final answer
   x = 1,394.21