Finding the Fourth Proportional to 58,685.22, 80,879.85 and 42,744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   58,685.22 : 80,879.85 = 42,744.42 : x
2. Step 2: Convert to fraction form
   58,685.22/80,879.85 = 42,744.42/x
3. Step 3: Cross multiply
   58,685.22x = 80,879.85 × 42,744.42
4. Step 4: Simplify right side
   58,685.22x = 3,457,162,277.94
5. Step 5: Solve for x
   x = 3,457,162,277.94/58,685.22
6. Step 6: Final answer
   x = 58,910.27