Finding the Fourth Proportional to 79,997.93, 119,910.78 and 42,520.24

Step by Step Solution

1. Step 1: Write the proportion equation
   79,997.93 : 119,910.78 = 42,520.24 : x
2. Step 2: Convert to fraction form
   79,997.93/119,910.78 = 42,520.24/x
3. Step 3: Cross multiply
   79,997.93x = 119,910.78 × 42,520.24
4. Step 4: Simplify right side
   79,997.93x = 5,098,635,294.08
5. Step 5: Solve for x
   x = 5,098,635,294.08/79,997.93
6. Step 6: Final answer
   x = 63,734.59