Finding the Fourth Proportional to 76,829.48, 106,016.93 and 42,834.78

Step by Step Solution

1. Step 1: Write the proportion equation
   76,829.48 : 106,016.93 = 42,834.78 : x
2. Step 2: Convert to fraction form
   76,829.48/106,016.93 = 42,834.78/x
3. Step 3: Cross multiply
   76,829.48x = 106,016.93 × 42,834.78
4. Step 4: Simplify right side
   76,829.48x = 4,541,211,393.61
5. Step 5: Solve for x
   x = 4,541,211,393.61/76,829.48
6. Step 6: Final answer
   x = 59,107.67