Finding the Fourth Proportional to 83,960.20, 115,863.41 and 45,720.22

Step by Step Solution

1. Step 1: Write the proportion equation
   83,960.20 : 115,863.41 = 45,720.22 : x
2. Step 2: Convert to fraction form
   83,960.20/115,863.41 = 45,720.22/x
3. Step 3: Cross multiply
   83,960.20x = 115,863.41 × 45,720.22
4. Step 4: Simplify right side
   83,960.20x = 5,297,300,015.83
5. Step 5: Solve for x
   x = 5,297,300,015.83/83,960.20
6. Step 6: Final answer
   x = 63,092.99