Finding the Fourth Proportional to 1,600.54, 2,208.72 and 892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,600.54 : 2,208.72 = 892.42 : x
2. Step 2: Convert to fraction form
   1,600.54/2,208.72 = 892.42/x
3. Step 3: Cross multiply
   1,600.54x = 2,208.72 × 892.42
4. Step 4: Simplify right side
   1,600.54x = 1,971,105.90
5. Step 5: Solve for x
   x = 1,971,105.90/1,600.54
6. Step 6: Final answer
   x = 1,231.53