Finding the Fourth Proportional to 76,013.33, 104,900.78 and 42,022.89

Step by Step Solution

1. Step 1: Write the proportion equation
   76,013.33 : 104,900.78 = 42,022.89 : x
2. Step 2: Convert to fraction form
   76,013.33/104,900.78 = 42,022.89/x
3. Step 3: Cross multiply
   76,013.33x = 104,900.78 × 42,022.89
4. Step 4: Simplify right side
   76,013.33x = 4,408,234,043.91
5. Step 5: Solve for x
   x = 4,408,234,043.91/76,013.33
6. Step 6: Final answer
   x = 57,992.91