Finding the Fourth Proportional to 22,605.98, 31,196.48 and 12,534.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,605.98 : 31,196.48 = 12,534.57 : x
2. Step 2: Convert to fraction form
   22,605.98/31,196.48 = 12,534.57/x
3. Step 3: Cross multiply
   22,605.98x = 31,196.48 × 12,534.57
4. Step 4: Simplify right side
   22,605.98x = 391,034,399.64
5. Step 5: Solve for x
   x = 391,034,399.64/22,605.98
6. Step 6: Final answer
   x = 17,297.83