Finding the Fourth Proportional to 1,412.74, 1,947.40 and 1,040.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.74 : 1,947.40 = 1,040.14 : x
2. Step 2: Convert to fraction form
   1,412.74/1,947.40 = 1,040.14/x
3. Step 3: Cross multiply
   1,412.74x = 1,947.40 × 1,040.14
4. Step 4: Simplify right side
   1,412.74x = 2,025,568.64
5. Step 5: Solve for x
   x = 2,025,568.64/1,412.74
6. Step 6: Final answer
   x = 1,433.79