Finding the Fourth Proportional to 22,018.24, 30,384.21 and 12,587.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,018.24 : 30,384.21 = 12,587.41 : x
2. Step 2: Convert to fraction form
   22,018.24/30,384.21 = 12,587.41/x
3. Step 3: Cross multiply
   22,018.24x = 30,384.21 × 12,587.41
4. Step 4: Simplify right side
   22,018.24x = 382,458,508.80
5. Step 5: Solve for x
   x = 382,458,508.80/22,018.24
6. Step 6: Final answer
   x = 17,370.08