Finding the Fourth Proportional to 11,880.09, 16,384.43 and 7,337.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,880.09 : 16,384.43 = 7,337.28 : x
2. Step 2: Convert to fraction form
   11,880.09/16,384.43 = 7,337.28/x
3. Step 3: Cross multiply
   11,880.09x = 16,384.43 × 7,337.28
4. Step 4: Simplify right side
   11,880.09x = 120,217,150.55
5. Step 5: Solve for x
   x = 120,217,150.55/11,880.09
6. Step 6: Final answer
   x = 10,119.21