Finding the Fourth Proportional to 114,162.43, 170,543.61 and 82,300.57

Step by Step Solution

1. Step 1: Write the proportion equation
   114,162.43 : 170,543.61 = 82,300.57 : x
2. Step 2: Convert to fraction form
   114,162.43/170,543.61 = 82,300.57/x
3. Step 3: Cross multiply
   114,162.43x = 170,543.61 × 82,300.57
4. Step 4: Simplify right side
   114,162.43x = 14,035,835,901.35
5. Step 5: Solve for x
   x = 14,035,835,901.35/114,162.43
6. Step 6: Final answer
   x = 122,946.19