Finding the Fourth Proportional to 22,698, 31,323.24 and 12,762

Step by Step Solution

1. Step 1: Write the proportion equation
   22,698 : 31,323.24 = 12,762 : x
2. Step 2: Convert to fraction form
   22,698/31,323.24 = 12,762/x
3. Step 3: Cross multiply
   22,698x = 31,323.24 × 12,762
4. Step 4: Simplify right side
   22,698x = 399,747,188.88
5. Step 5: Solve for x
   x = 399,747,188.88/22,698
6. Step 6: Final answer
   x = 17,611.56