Finding the Fourth Proportional to 22,460.57, 30,995.82 and 12,389.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460.57 : 30,995.82 = 12,389.43 : x
2. Step 2: Convert to fraction form
   22,460.57/30,995.82 = 12,389.43/x
3. Step 3: Cross multiply
   22,460.57x = 30,995.82 × 12,389.43
4. Step 4: Simplify right side
   22,460.57x = 384,020,542.18
5. Step 5: Solve for x
   x = 384,020,542.18/22,460.57
6. Step 6: Final answer
   x = 17,097.54