Finding the Fourth Proportional to 22,458.76, 30,993.32 and 12,387.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,458.76 : 30,993.32 = 12,387.52 : x
2. Step 2: Convert to fraction form
   22,458.76/30,993.32 = 12,387.52/x
3. Step 3: Cross multiply
   22,458.76x = 30,993.32 × 12,387.52
4. Step 4: Simplify right side
   22,458.76x = 383,930,371.37
5. Step 5: Solve for x
   x = 383,930,371.37/22,458.76
6. Step 6: Final answer
   x = 17,094.91