Finding the Fourth Proportional to 78,083.96, 107,756.12 and 42,273.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,083.96 : 107,756.12 = 42,273.88 : x
2. Step 2: Convert to fraction form
   78,083.96/107,756.12 = 42,273.88/x
3. Step 3: Cross multiply
   78,083.96x = 107,756.12 × 42,273.88
4. Step 4: Simplify right side
   78,083.96x = 4,555,269,286.15
5. Step 5: Solve for x
   x = 4,555,269,286.15/78,083.96
6. Step 6: Final answer
   x = 58,338.09