Finding the Fourth Proportional to 11,275.05, 16,916.46 and 5,039.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,275.05 : 16,916.46 = 5,039.37 : x
2. Step 2: Convert to fraction form
   11,275.05/16,916.46 = 5,039.37/x
3. Step 3: Cross multiply
   11,275.05x = 16,916.46 × 5,039.37
4. Step 4: Simplify right side
   11,275.05x = 85,248,301.03
5. Step 5: Solve for x
   x = 85,248,301.03/11,275.05
6. Step 6: Final answer
   x = 7,560.79