Finding the Fourth Proportional to 2,626.05, 3,623.88 and 1,563.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.05 : 3,623.88 = 1,563.78 : x
2. Step 2: Convert to fraction form
   2,626.05/3,623.88 = 1,563.78/x
3. Step 3: Cross multiply
   2,626.05x = 3,623.88 × 1,563.78
4. Step 4: Simplify right side
   2,626.05x = 5,666,951.07
5. Step 5: Solve for x
   x = 5,666,951.07/2,626.05
6. Step 6: Final answer
   x = 2,157.98