Finding the Fourth Proportional to 81,976.02, 113,128.56 and 49,710.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,976.02 : 113,128.56 = 49,710.48 : x
2. Step 2: Convert to fraction form
   81,976.02/113,128.56 = 49,710.48/x
3. Step 3: Cross multiply
   81,976.02x = 113,128.56 × 49,710.48
4. Step 4: Simplify right side
   81,976.02x = 5,623,675,019.31
5. Step 5: Solve for x
   x = 5,623,675,019.31/81,976.02
6. Step 6: Final answer
   x = 68,601.46