Finding the Fourth Proportional to 22,041.87, 30,420.41 and 12,613.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,041.87 : 30,420.41 = 12,613.47 : x
2. Step 2: Convert to fraction form
   22,041.87/30,420.41 = 12,613.47/x
3. Step 3: Cross multiply
   22,041.87x = 30,420.41 × 12,613.47
4. Step 4: Simplify right side
   22,041.87x = 383,706,865.86
5. Step 5: Solve for x
   x = 383,706,865.86/22,041.87
6. Step 6: Final answer
   x = 17,408.09