Finding the Fourth Proportional to 82,863.16, 114,394.43 and 64,674.81

Step by Step Solution

1. Step 1: Write the proportion equation
   82,863.16 : 114,394.43 = 64,674.81 : x
2. Step 2: Convert to fraction form
   82,863.16/114,394.43 = 64,674.81/x
3. Step 3: Cross multiply
   82,863.16x = 114,394.43 × 64,674.81
4. Step 4: Simplify right side
   82,863.16x = 7,398,438,187.00
5. Step 5: Solve for x
   x = 7,398,438,187.00/82,863.16
6. Step 6: Final answer
   x = 89,285.01