Finding the Fourth Proportional to 45,819.40, 68,739.86 and 14,227.83

Step by Step Solution

1. Step 1: Write the proportion equation
   45,819.40 : 68,739.86 = 14,227.83 : x
2. Step 2: Convert to fraction form
   45,819.40/68,739.86 = 14,227.83/x
3. Step 3: Cross multiply
   45,819.40x = 68,739.86 × 14,227.83
4. Step 4: Simplify right side
   45,819.40x = 978,019,042.30
5. Step 5: Solve for x
   x = 978,019,042.30/45,819.40
6. Step 6: Final answer
   x = 21,345.09