Finding the Fourth Proportional to 49,112.49, 67,703.61 and 39,045

Step by Step Solution

1. Step 1: Write the proportion equation
   49,112.49 : 67,703.61 = 39,045 : x
2. Step 2: Convert to fraction form
   49,112.49/67,703.61 = 39,045/x
3. Step 3: Cross multiply
   49,112.49x = 67,703.61 × 39,045
4. Step 4: Simplify right side
   49,112.49x = 2,643,487,452.45
5. Step 5: Solve for x
   x = 2,643,487,452.45/49,112.49
6. Step 6: Final answer
   x = 53,825.16