Finding the Fourth Proportional to 83,413.28, 115,109.22 and 45,687.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,413.28 : 115,109.22 = 45,687.56 : x
2. Step 2: Convert to fraction form
   83,413.28/115,109.22 = 45,687.56/x
3. Step 3: Cross multiply
   83,413.28x = 115,109.22 × 45,687.56
4. Step 4: Simplify right side
   83,413.28x = 5,259,059,395.30
5. Step 5: Solve for x
   x = 5,259,059,395.30/83,413.28
6. Step 6: Final answer
   x = 63,048.23