Finding the Fourth Proportional to 78,086.73, 107,759.73 and 42,276.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,086.73 : 107,759.73 = 42,276.72 : x
2. Step 2: Convert to fraction form
   78,086.73/107,759.73 = 42,276.72/x
3. Step 3: Cross multiply
   78,086.73x = 107,759.73 × 42,276.72
4. Step 4: Simplify right side
   78,086.73x = 4,555,727,932.49
5. Step 5: Solve for x
   x = 4,555,727,932.49/78,086.73
6. Step 6: Final answer
   x = 58,341.90