Finding the Fourth Proportional to 83,942.02, 115,805.28 and 49,943.71

Step by Step Solution

1. Step 1: Write the proportion equation
   83,942.02 : 115,805.28 = 49,943.71 : x
2. Step 2: Convert to fraction form
   83,942.02/115,805.28 = 49,943.71/x
3. Step 3: Cross multiply
   83,942.02x = 115,805.28 × 49,943.71
4. Step 4: Simplify right side
   83,942.02x = 5,783,745,320.79
5. Step 5: Solve for x
   x = 5,783,745,320.79/83,942.02
6. Step 6: Final answer
   x = 68,901.67