Finding the Fourth Proportional to 49,142.49, 67,816.56 and 28,999.41

Step by Step Solution

1. Step 1: Write the proportion equation
   49,142.49 : 67,816.56 = 28,999.41 : x
2. Step 2: Convert to fraction form
   49,142.49/67,816.56 = 28,999.41/x
3. Step 3: Cross multiply
   49,142.49x = 67,816.56 × 28,999.41
4. Step 4: Simplify right side
   49,142.49x = 1,966,640,228.23
5. Step 5: Solve for x
   x = 1,966,640,228.23/49,142.49
6. Step 6: Final answer
   x = 40,019.14