Finding the Fourth Proportional to 10,879.72, 16,316.94 and 5,030.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.72 : 16,316.94 = 5,030.74 : x
2. Step 2: Convert to fraction form
   10,879.72/16,316.94 = 5,030.74/x
3. Step 3: Cross multiply
   10,879.72x = 16,316.94 × 5,030.74
4. Step 4: Simplify right side
   10,879.72x = 82,086,282.74
5. Step 5: Solve for x
   x = 82,086,282.74/10,879.72
6. Step 6: Final answer
   x = 7,544.89