Finding the Fourth Proportional to 11,274.72, 16,915.91 and 5,039.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,274.72 : 16,915.91 = 5,039.04 : x
2. Step 2: Convert to fraction form
   11,274.72/16,915.91 = 5,039.04/x
3. Step 3: Cross multiply
   11,274.72x = 16,915.91 × 5,039.04
4. Step 4: Simplify right side
   11,274.72x = 85,239,921.93
5. Step 5: Solve for x
   x = 85,239,921.93/11,274.72
6. Step 6: Final answer
   x = 7,560.27