Finding the Fourth Proportional to 1,483.31, 2,047.25 and 854.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.31 : 2,047.25 = 854.25 : x
2. Step 2: Convert to fraction form
   1,483.31/2,047.25 = 854.25/x
3. Step 3: Cross multiply
   1,483.31x = 2,047.25 × 854.25
4. Step 4: Simplify right side
   1,483.31x = 1,748,859.04
5. Step 5: Solve for x
   x = 1,748,859.04/1,483.31
6. Step 6: Final answer
   x = 1,179.03