Finding the Fourth Proportional to 3,880.72, 5,358.07 and 3,632.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880.72 : 5,358.07 = 3,632.86 : x
2. Step 2: Convert to fraction form
   3,880.72/5,358.07 = 3,632.86/x
3. Step 3: Cross multiply
   3,880.72x = 5,358.07 × 3,632.86
4. Step 4: Simplify right side
   3,880.72x = 19,465,118.18
5. Step 5: Solve for x
   x = 19,465,118.18/3,880.72
6. Step 6: Final answer
   x = 5,015.85