Finding the Fourth Proportional to 79,937.82, 119,942.10 and 41,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,937.82 : 119,942.10 = 41,978.16 : x
2. Step 2: Convert to fraction form
   79,937.82/119,942.10 = 41,978.16/x
3. Step 3: Cross multiply
   79,937.82x = 119,942.10 × 41,978.16
4. Step 4: Simplify right side
   79,937.82x = 5,034,948,664.54
5. Step 5: Solve for x
   x = 5,034,948,664.54/79,937.82
6. Step 6: Final answer
   x = 62,985.81