Finding the Fourth Proportional to 7,024.42, 9,693.84 and 3,880.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,024.42 : 9,693.84 = 3,880.72 : x
2. Step 2: Convert to fraction form
   7,024.42/9,693.84 = 3,880.72/x
3. Step 3: Cross multiply
   7,024.42x = 9,693.84 × 3,880.72
4. Step 4: Simplify right side
   7,024.42x = 37,619,078.76
5. Step 5: Solve for x
   x = 37,619,078.76/7,024.42
6. Step 6: Final answer
   x = 5,355.47