Finding the Fourth Proportional to 22,113.69, 30,511.98 and 12,682.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,113.69 : 30,511.98 = 12,682.26 : x
2. Step 2: Convert to fraction form
   22,113.69/30,511.98 = 12,682.26/x
3. Step 3: Cross multiply
   22,113.69x = 30,511.98 × 12,682.26
4. Step 4: Simplify right side
   22,113.69x = 386,960,863.47
5. Step 5: Solve for x
   x = 386,960,863.47/22,113.69
6. Step 6: Final answer
   x = 17,498.70