Finding the Fourth Proportional to 76,793.41, 105,976.07 and 42,800.95

Step by Step Solution

1. Step 1: Write the proportion equation
   76,793.41 : 105,976.07 = 42,800.95 : x
2. Step 2: Convert to fraction form
   76,793.41/105,976.07 = 42,800.95/x
3. Step 3: Cross multiply
   76,793.41x = 105,976.07 × 42,800.95
4. Step 4: Simplify right side
   76,793.41x = 4,535,876,473.27
5. Step 5: Solve for x
   x = 4,535,876,473.27/76,793.41
6. Step 6: Final answer
   x = 59,065.96