Finding the Fourth Proportional to 78,451.37, 108,262.25 and 42,641.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,451.37 : 108,262.25 = 42,641.27 : x
2. Step 2: Convert to fraction form
   78,451.37/108,262.25 = 42,641.27/x
3. Step 3: Cross multiply
   78,451.37x = 108,262.25 × 42,641.27
4. Step 4: Simplify right side
   78,451.37x = 4,616,439,078.54
5. Step 5: Solve for x
   x = 4,616,439,078.54/78,451.37
6. Step 6: Final answer
   x = 58,844.60