Finding the Fourth Proportional to 5,033.72, 7,516.65 and 4,111.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,033.72 : 7,516.65 = 4,111.07 : x
2. Step 2: Convert to fraction form
   5,033.72/7,516.65 = 4,111.07/x
3. Step 3: Cross multiply
   5,033.72x = 7,516.65 × 4,111.07
4. Step 4: Simplify right side
   5,033.72x = 30,901,436.73
5. Step 5: Solve for x
   x = 30,901,436.73/5,033.72
6. Step 6: Final answer
   x = 6,138.89