Finding the Fourth Proportional to 22,776.34, 31,431.39 and 12,567.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,776.34 : 31,431.39 = 12,567.14 : x
2. Step 2: Convert to fraction form
   22,776.34/31,431.39 = 12,567.14/x
3. Step 3: Cross multiply
   22,776.34x = 31,431.39 × 12,567.14
4. Step 4: Simplify right side
   22,776.34x = 395,002,458.53
5. Step 5: Solve for x
   x = 395,002,458.53/22,776.34
6. Step 6: Final answer
   x = 17,342.67