Finding the Fourth Proportional to 1,363.86, 1,882.02 and 884.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.86 : 1,882.02 = 884.46 : x
2. Step 2: Convert to fraction form
   1,363.86/1,882.02 = 884.46/x
3. Step 3: Cross multiply
   1,363.86x = 1,882.02 × 884.46
4. Step 4: Simplify right side
   1,363.86x = 1,664,571.41
5. Step 5: Solve for x
   x = 1,664,571.41/1,363.86
6. Step 6: Final answer
   x = 1,220.49