Finding the Fourth Proportional to 76,935.42, 106,176.22 and 42,950.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,935.42 : 106,176.22 = 42,950.59 : x
2. Step 2: Convert to fraction form
   76,935.42/106,176.22 = 42,950.59/x
3. Step 3: Cross multiply
   76,935.42x = 106,176.22 × 42,950.59
4. Step 4: Simplify right side
   76,935.42x = 4,560,330,920.15
5. Step 5: Solve for x
   x = 4,560,330,920.15/76,935.42
6. Step 6: Final answer
   x = 59,274.79