Finding the Fourth Proportional to 22,439.98, 30,965.77 and 12,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,439.98 : 30,965.77 = 12,368.50 : x
2. Step 2: Convert to fraction form
   22,439.98/30,965.77 = 12,368.50/x
3. Step 3: Cross multiply
   22,439.98x = 30,965.77 × 12,368.50
4. Step 4: Simplify right side
   22,439.98x = 383,000,017.91
5. Step 5: Solve for x
   x = 383,000,017.91/22,439.98
6. Step 6: Final answer
   x = 17,067.75