Finding the Fourth Proportional to 22,367.08, 30,870.66 and 12,936.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,367.08 : 30,870.66 = 12,936.52 : x
2. Step 2: Convert to fraction form
   22,367.08/30,870.66 = 12,936.52/x
3. Step 3: Cross multiply
   22,367.08x = 30,870.66 × 12,936.52
4. Step 4: Simplify right side
   22,367.08x = 399,358,910.50
5. Step 5: Solve for x
   x = 399,358,910.50/22,367.08
6. Step 6: Final answer
   x = 17,854.76