Finding the Fourth Proportional to 78,105.92, 107,786.02 and 42,295.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,105.92 : 107,786.02 = 42,295.82 : x
2. Step 2: Convert to fraction form
   78,105.92/107,786.02 = 42,295.82/x
3. Step 3: Cross multiply
   78,105.92x = 107,786.02 × 42,295.82
4. Step 4: Simplify right side
   78,105.92x = 4,558,898,022.41
5. Step 5: Solve for x
   x = 4,558,898,022.41/78,105.92
6. Step 6: Final answer
   x = 58,368.15