Finding the Fourth Proportional to 49,129.83, 73,723.31 and 20,664.69

Step by Step Solution

1. Step 1: Write the proportion equation
   49,129.83 : 73,723.31 = 20,664.69 : x
2. Step 2: Convert to fraction form
   49,129.83/73,723.31 = 20,664.69/x
3. Step 3: Cross multiply
   49,129.83x = 73,723.31 × 20,664.69
4. Step 4: Simplify right side
   49,129.83x = 1,523,469,782.91
5. Step 5: Solve for x
   x = 1,523,469,782.91/49,129.83
6. Step 6: Final answer
   x = 31,009.06