Finding the Fourth Proportional to 22,950.42, 31,671.83 and 12,742.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,950.42 : 31,671.83 = 12,742.14 : x
2. Step 2: Convert to fraction form
   22,950.42/31,671.83 = 12,742.14/x
3. Step 3: Cross multiply
   22,950.42x = 31,671.83 × 12,742.14
4. Step 4: Simplify right side
   22,950.42x = 403,566,891.92
5. Step 5: Solve for x
   x = 403,566,891.92/22,950.42
6. Step 6: Final answer
   x = 17,584.29