Finding the Fourth Proportional to 22,176.72, 33,278.04 and 10,499.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,176.72 : 33,278.04 = 10,499.76 : x
2. Step 2: Convert to fraction form
   22,176.72/33,278.04 = 10,499.76/x
3. Step 3: Cross multiply
   22,176.72x = 33,278.04 × 10,499.76
4. Step 4: Simplify right side
   22,176.72x = 349,411,433.27
5. Step 5: Solve for x
   x = 349,411,433.27/22,176.72
6. Step 6: Final answer
   x = 15,755.78