Finding the Fourth Proportional to 78,441.82, 108,245.22 and 42,631.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,441.82 : 108,245.22 = 42,631.54 : x
2. Step 2: Convert to fraction form
   78,441.82/108,245.22 = 42,631.54/x
3. Step 3: Cross multiply
   78,441.82x = 108,245.22 × 42,631.54
4. Step 4: Simplify right side
   78,441.82x = 4,614,660,426.24
5. Step 5: Solve for x
   x = 4,614,660,426.24/78,441.82
6. Step 6: Final answer
   x = 58,829.08