Finding the Fourth Proportional to 22,458.12, 30,993.57 and 12,386.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,458.12 : 30,993.57 = 12,386.52 : x
2. Step 2: Convert to fraction form
   22,458.12/30,993.57 = 12,386.52/x
3. Step 3: Cross multiply
   22,458.12x = 30,993.57 × 12,386.52
4. Step 4: Simplify right side
   22,458.12x = 383,902,474.68
5. Step 5: Solve for x
   x = 383,902,474.68/22,458.12
6. Step 6: Final answer
   x = 17,094.15