Finding the Fourth Proportional to 82,864.27, 124,350.89 and 45,450.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,864.27 : 124,350.89 = 45,450.56 : x
2. Step 2: Convert to fraction form
   82,864.27/124,350.89 = 45,450.56/x
3. Step 3: Cross multiply
   82,864.27x = 124,350.89 × 45,450.56
4. Step 4: Simplify right side
   82,864.27x = 5,651,817,670.62
5. Step 5: Solve for x
   x = 5,651,817,670.62/82,864.27
6. Step 6: Final answer
   x = 68,205.72