Finding the Fourth Proportional to 76,767.27, 105,937.23 and 42,775.62

Step by Step Solution

1. Step 1: Write the proportion equation
   76,767.27 : 105,937.23 = 42,775.62 : x
2. Step 2: Convert to fraction form
   76,767.27/105,937.23 = 42,775.62/x
3. Step 3: Cross multiply
   76,767.27x = 105,937.23 × 42,775.62
4. Step 4: Simplify right side
   76,767.27x = 4,531,530,694.33
5. Step 5: Solve for x
   x = 4,531,530,694.33/76,767.27
6. Step 6: Final answer
   x = 59,029.46