Finding the Fourth Proportional to 116,983.20, 161,436.82 and 63,268.20

Step by Step Solution

1. Step 1: Write the proportion equation
   116,983.20 : 161,436.82 = 63,268.20 : x
2. Step 2: Convert to fraction form
   116,983.20/161,436.82 = 63,268.20/x
3. Step 3: Cross multiply
   116,983.20x = 161,436.82 × 63,268.20
4. Step 4: Simplify right side
   116,983.20x = 10,213,817,380.54
5. Step 5: Solve for x
   x = 10,213,817,380.54/116,983.20
6. Step 6: Final answer
   x = 87,310.12