Finding the Fourth Proportional to 3,627.72, 5,003.28 and 2,432.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.72 : 5,003.28 = 2,432.90 : x
2. Step 2: Convert to fraction form
   3,627.72/5,003.28 = 2,432.90/x
3. Step 3: Cross multiply
   3,627.72x = 5,003.28 × 2,432.90
4. Step 4: Simplify right side
   3,627.72x = 12,172,492.42
5. Step 5: Solve for x
   x = 12,172,492.42/3,627.72
6. Step 6: Final answer
   x = 3,355.41