Finding the Fourth Proportional to 2,123.28, 3,185.08 and 563.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.28 : 3,185.08 = 563.32 : x
2. Step 2: Convert to fraction form
   2,123.28/3,185.08 = 563.32/x
3. Step 3: Cross multiply
   2,123.28x = 3,185.08 × 563.32
4. Step 4: Simplify right side
   2,123.28x = 1,794,219.27
5. Step 5: Solve for x
   x = 1,794,219.27/2,123.28
6. Step 6: Final answer
   x = 845.02