Finding the Fourth Proportional to 3,627.72, 5,008.32 and 2,631.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.72 : 5,008.32 = 2,631.96 : x
2. Step 2: Convert to fraction form
   3,627.72/5,008.32 = 2,631.96/x
3. Step 3: Cross multiply
   3,627.72x = 5,008.32 × 2,631.96
4. Step 4: Simplify right side
   3,627.72x = 13,181,697.91
5. Step 5: Solve for x
   x = 13,181,697.91/3,627.72
6. Step 6: Final answer
   x = 3,633.60