Finding the Fourth Proportional to 10,559.05, 15,816.63 and 5,016.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,559.05 : 15,816.63 = 5,016.76 : x
2. Step 2: Convert to fraction form
   10,559.05/15,816.63 = 5,016.76/x
3. Step 3: Cross multiply
   10,559.05x = 15,816.63 × 5,016.76
4. Step 4: Simplify right side
   10,559.05x = 79,348,236.72
5. Step 5: Solve for x
   x = 79,348,236.72/10,559.05
6. Step 6: Final answer
   x = 7,514.71