Finding the Fourth Proportional to 9,430.28, 14,142.96 and 3,880.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,430.28 : 14,142.96 = 3,880.56 : x
2. Step 2: Convert to fraction form
   9,430.28/14,142.96 = 3,880.56/x
3. Step 3: Cross multiply
   9,430.28x = 14,142.96 × 3,880.56
4. Step 4: Simplify right side
   9,430.28x = 54,882,604.86
5. Step 5: Solve for x
   x = 54,882,604.86/9,430.28
6. Step 6: Final answer
   x = 5,819.83