Finding the Fourth Proportional to 14,266.54, 21,401.41 and 3,878.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,266.54 : 21,401.41 = 3,878.38 : x
2. Step 2: Convert to fraction form
   14,266.54/21,401.41 = 3,878.38/x
3. Step 3: Cross multiply
   14,266.54x = 21,401.41 × 3,878.38
4. Step 4: Simplify right side
   14,266.54x = 83,002,800.52
5. Step 5: Solve for x
   x = 83,002,800.52/14,266.54
6. Step 6: Final answer
   x = 5,818.00