Finding the Fourth Proportional to 15,039.72, 22,561.98 and 5,176.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,039.72 : 22,561.98 = 5,176.56 : x
2. Step 2: Convert to fraction form
   15,039.72/22,561.98 = 5,176.56/x
3. Step 3: Cross multiply
   15,039.72x = 22,561.98 × 5,176.56
4. Step 4: Simplify right side
   15,039.72x = 116,793,443.19
5. Step 5: Solve for x
   x = 116,793,443.19/15,039.72
6. Step 6: Final answer
   x = 7,765.67