Finding the Fourth Proportional to 80,429.30, 110,992.56 and 44,619.31

Step by Step Solution

1. Step 1: Write the proportion equation
   80,429.30 : 110,992.56 = 44,619.31 : x
2. Step 2: Convert to fraction form
   80,429.30/110,992.56 = 44,619.31/x
3. Step 3: Cross multiply
   80,429.30x = 110,992.56 × 44,619.31
4. Step 4: Simplify right side
   80,429.30x = 4,952,410,664.27
5. Step 5: Solve for x
   x = 4,952,410,664.27/80,429.30
6. Step 6: Final answer
   x = 61,574.71