Finding the Fourth Proportional to 1,411.20, 1,947.69 and 844.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.20 : 1,947.69 = 844.01 : x
2. Step 2: Convert to fraction form
   1,411.20/1,947.69 = 844.01/x
3. Step 3: Cross multiply
   1,411.20x = 1,947.69 × 844.01
4. Step 4: Simplify right side
   1,411.20x = 1,643,860.10
5. Step 5: Solve for x
   x = 1,643,860.10/1,411.20
6. Step 6: Final answer
   x = 1,164.87