Finding the Fourth Proportional to 1,483.79, 2,047.55 and 854.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.79 : 2,047.55 = 854.33 : x
2. Step 2: Convert to fraction form
   1,483.79/2,047.55 = 854.33/x
3. Step 3: Cross multiply
   1,483.79x = 2,047.55 × 854.33
4. Step 4: Simplify right side
   1,483.79x = 1,749,287.61
5. Step 5: Solve for x
   x = 1,749,287.61/1,483.79
6. Step 6: Final answer
   x = 1,178.94