Finding the Fourth Proportional to 82,868.68, 114,402.04 and 64,680.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,868.68 : 114,402.04 = 64,680.32 : x
2. Step 2: Convert to fraction form
   82,868.68/114,402.04 = 64,680.32/x
3. Step 3: Cross multiply
   82,868.68x = 114,402.04 × 64,680.32
4. Step 4: Simplify right side
   82,868.68x = 7,399,560,555.85
5. Step 5: Solve for x
   x = 7,399,560,555.85/82,868.68
6. Step 6: Final answer
   x = 89,292.61