Finding the Fourth Proportional to 82,612, 113,952.54 and 65,884.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,612 : 113,952.54 = 65,884.96 : x
2. Step 2: Convert to fraction form
   82,612/113,952.54 = 65,884.96/x
3. Step 3: Cross multiply
   82,612x = 113,952.54 × 65,884.96
4. Step 4: Simplify right side
   82,612x = 7,507,758,539.80
5. Step 5: Solve for x
   x = 7,507,758,539.80/82,612
6. Step 6: Final answer
   x = 90,879.76