Finding the Fourth Proportional to 22,176.72, 30,610.98 and 12,751.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,176.72 : 30,610.98 = 12,751.56 : x
2. Step 2: Convert to fraction form
   22,176.72/30,610.98 = 12,751.56/x
3. Step 3: Cross multiply
   22,176.72x = 30,610.98 × 12,751.56
4. Step 4: Simplify right side
   22,176.72x = 390,337,748.13
5. Step 5: Solve for x
   x = 390,337,748.13/22,176.72
6. Step 6: Final answer
   x = 17,601.24