Finding the Fourth Proportional to 78,327.97, 108,091.91 and 42,517.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,327.97 : 108,091.91 = 42,517.96 : x
2. Step 2: Convert to fraction form
   78,327.97/108,091.91 = 42,517.96/x
3. Step 3: Cross multiply
   78,327.97x = 108,091.91 × 42,517.96
4. Step 4: Simplify right side
   78,327.97x = 4,595,847,341.77
5. Step 5: Solve for x
   x = 4,595,847,341.77/78,327.97
6. Step 6: Final answer
   x = 58,674.41