Finding the Fourth Proportional to 49,109.49, 67,699.46 and 39,042

Step by Step Solution

1. Step 1: Write the proportion equation
   49,109.49 : 67,699.46 = 39,042 : x
2. Step 2: Convert to fraction form
   49,109.49/67,699.46 = 39,042/x
3. Step 3: Cross multiply
   49,109.49x = 67,699.46 × 39,042
4. Step 4: Simplify right side
   49,109.49x = 2,643,122,414.93
5. Step 5: Solve for x
   x = 2,643,122,414.93/49,109.49
6. Step 6: Final answer
   x = 53,821.01