Finding the Fourth Proportional to 14,072.38, 21,103.46 and 4,208.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,072.38 : 21,103.46 = 4,208.34 : x
2. Step 2: Convert to fraction form
   14,072.38/21,103.46 = 4,208.34/x
3. Step 3: Cross multiply
   14,072.38x = 21,103.46 × 4,208.34
4. Step 4: Simplify right side
   14,072.38x = 88,810,534.86
5. Step 5: Solve for x
   x = 88,810,534.86/14,072.38
6. Step 6: Final answer
   x = 6,310.98