Finding the Fourth Proportional to 3,627.76, 5,432.42 and 2,391.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.76 : 5,432.42 = 2,391.42 : x
2. Step 2: Convert to fraction form
   3,627.76/5,432.42 = 2,391.42/x
3. Step 3: Cross multiply
   3,627.76x = 5,432.42 × 2,391.42
4. Step 4: Simplify right side
   3,627.76x = 12,991,210.73
5. Step 5: Solve for x
   x = 12,991,210.73/3,627.76
6. Step 6: Final answer
   x = 3,581.05