Finding the Fourth Proportional to 14,141.08, 21,212.69 and 4,281.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,141.08 : 21,212.69 = 4,281.15 : x
2. Step 2: Convert to fraction form
   14,141.08/21,212.69 = 4,281.15/x
3. Step 3: Cross multiply
   14,141.08x = 21,212.69 × 4,281.15
4. Step 4: Simplify right side
   14,141.08x = 90,814,765.94
5. Step 5: Solve for x
   x = 90,814,765.94/14,141.08
6. Step 6: Final answer
   x = 6,422.05