Finding the Fourth Proportional to 1,219.86, 1,825.47 and 894.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219.86 : 1,825.47 = 894.42 : x
2. Step 2: Convert to fraction form
   1,219.86/1,825.47 = 894.42/x
3. Step 3: Cross multiply
   1,219.86x = 1,825.47 × 894.42
4. Step 4: Simplify right side
   1,219.86x = 1,632,736.88
5. Step 5: Solve for x
   x = 1,632,736.88/1,219.86
6. Step 6: Final answer
   x = 1,338.46