Finding the Fourth Proportional to 1,406.53, 1,941.02 and 817.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.53 : 1,941.02 = 817.44 : x
2. Step 2: Convert to fraction form
   1,406.53/1,941.02 = 817.44/x
3. Step 3: Cross multiply
   1,406.53x = 1,941.02 × 817.44
4. Step 4: Simplify right side
   1,406.53x = 1,586,667.39
5. Step 5: Solve for x
   x = 1,586,667.39/1,406.53
6. Step 6: Final answer
   x = 1,128.07