Finding the Fourth Proportional to 22,460.79, 30,995.82 and 13,513.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460.79 : 30,995.82 = 13,513.47 : x
2. Step 2: Convert to fraction form
   22,460.79/30,995.82 = 13,513.47/x
3. Step 3: Cross multiply
   22,460.79x = 30,995.82 × 13,513.47
4. Step 4: Simplify right side
   22,460.79x = 418,861,083.70
5. Step 5: Solve for x
   x = 418,861,083.70/22,460.79
6. Step 6: Final answer
   x = 18,648.55