Finding the Fourth Proportional to 22,469.76, 31,008.26 and 12,533.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,469.76 : 31,008.26 = 12,533.76 : x
2. Step 2: Convert to fraction form
   22,469.76/31,008.26 = 12,533.76/x
3. Step 3: Cross multiply
   22,469.76x = 31,008.26 × 12,533.76
4. Step 4: Simplify right side
   22,469.76x = 388,650,088.86
5. Step 5: Solve for x
   x = 388,650,088.86/22,469.76
6. Step 6: Final answer
   x = 17,296.58