Finding the Fourth Proportional to 1,483.52, 2,047.20 and 854.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.52 : 2,047.20 = 854.15 : x
2. Step 2: Convert to fraction form
   1,483.52/2,047.20 = 854.15/x
3. Step 3: Cross multiply
   1,483.52x = 2,047.20 × 854.15
4. Step 4: Simplify right side
   1,483.52x = 1,748,604.84
5. Step 5: Solve for x
   x = 1,748,604.84/1,483.52
6. Step 6: Final answer
   x = 1,178.69