Finding the Fourth Proportional to 1,591.64, 2,196.49 and 883.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.64 : 2,196.49 = 883.53 : x
2. Step 2: Convert to fraction form
   1,591.64/2,196.49 = 883.53/x
3. Step 3: Cross multiply
   1,591.64x = 2,196.49 × 883.53
4. Step 4: Simplify right side
   1,591.64x = 1,940,662.60
5. Step 5: Solve for x
   x = 1,940,662.60/1,591.64
6. Step 6: Final answer
   x = 1,219.28