Finding the Fourth Proportional to 22,411.21, 30,913.82 and 13,798.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,411.21 : 30,913.82 = 13,798.78 : x
2. Step 2: Convert to fraction form
   22,411.21/30,913.82 = 13,798.78/x
3. Step 3: Cross multiply
   22,411.21x = 30,913.82 × 13,798.78
4. Step 4: Simplify right side
   22,411.21x = 426,572,958.35
5. Step 5: Solve for x
   x = 426,572,958.35/22,411.21
6. Step 6: Final answer
   x = 19,033.91