Finding the Fourth Proportional to 83,016.48, 114,561.42 and 47,205.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,016.48 : 114,561.42 = 47,205.72 : x
2. Step 2: Convert to fraction form
   83,016.48/114,561.42 = 47,205.72/x
3. Step 3: Cross multiply
   83,016.48x = 114,561.42 × 47,205.72
4. Step 4: Simplify right side
   83,016.48x = 5,407,954,315.32
5. Step 5: Solve for x
   x = 5,407,954,315.32/83,016.48
6. Step 6: Final answer
   x = 65,143.14