Finding the Fourth Proportional to 76,710.84, 105,854.22 and 42,716.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,710.84 : 105,854.22 = 42,716.76 : x
2. Step 2: Convert to fraction form
   76,710.84/105,854.22 = 42,716.76/x
3. Step 3: Cross multiply
   76,710.84x = 105,854.22 × 42,716.76
4. Step 4: Simplify right side
   76,710.84x = 4,521,749,310.73
5. Step 5: Solve for x
   x = 4,521,749,310.73/76,710.84
6. Step 6: Final answer
   x = 58,945.38