Finding the Fourth Proportional to 1,483.72, 2,047.58 and 854.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.72 : 2,047.58 = 854.45 : x
2. Step 2: Convert to fraction form
   1,483.72/2,047.58 = 854.45/x
3. Step 3: Cross multiply
   1,483.72x = 2,047.58 × 854.45
4. Step 4: Simplify right side
   1,483.72x = 1,749,551.10
5. Step 5: Solve for x
   x = 1,749,551.10/1,483.72
6. Step 6: Final answer
   x = 1,179.17