Finding the Fourth Proportional to 22,439.71, 30,966.89 and 12,367.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,439.71 : 30,966.89 = 12,367.93 : x
2. Step 2: Convert to fraction form
   22,439.71/30,966.89 = 12,367.93/x
3. Step 3: Cross multiply
   22,439.71x = 30,966.89 × 12,367.93
4. Step 4: Simplify right side
   22,439.71x = 382,996,496.31
5. Step 5: Solve for x
   x = 382,996,496.31/22,439.71
6. Step 6: Final answer
   x = 17,067.80