Finding the Fourth Proportional to 1,483.24, 2,046.42 and 862.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.24 : 2,046.42 = 862.12 : x
2. Step 2: Convert to fraction form
   1,483.24/2,046.42 = 862.12/x
3. Step 3: Cross multiply
   1,483.24x = 2,046.42 × 862.12
4. Step 4: Simplify right side
   1,483.24x = 1,764,259.61
5. Step 5: Solve for x
   x = 1,764,259.61/1,483.24
6. Step 6: Final answer
   x = 1,189.46