Finding the Fourth Proportional to 3,876.72, 5,353.56 and 2,632.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876.72 : 5,353.56 = 2,632.56 : x
2. Step 2: Convert to fraction form
   3,876.72/5,353.56 = 2,632.56/x
3. Step 3: Cross multiply
   3,876.72x = 5,353.56 × 2,632.56
4. Step 4: Simplify right side
   3,876.72x = 14,093,567.91
5. Step 5: Solve for x
   x = 14,093,567.91/3,876.72
6. Step 6: Final answer
   x = 3,635.44