Finding the Fourth Proportional to 22,962.76, 31,688.60 and 13,026.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,962.76 : 31,688.60 = 13,026.76 : x
2. Step 2: Convert to fraction form
   22,962.76/31,688.60 = 13,026.76/x
3. Step 3: Cross multiply
   22,962.76x = 31,688.60 × 13,026.76
4. Step 4: Simplify right side
   22,962.76x = 412,799,786.94
5. Step 5: Solve for x
   x = 412,799,786.94/22,962.76
6. Step 6: Final answer
   x = 17,976.92