Finding the Fourth Proportional to 83,233.74, 124,863.05 and 30,639.23

Step by Step Solution

1. Step 1: Write the proportion equation
   83,233.74 : 124,863.05 = 30,639.23 : x
2. Step 2: Convert to fraction form
   83,233.74/124,863.05 = 30,639.23/x
3. Step 3: Cross multiply
   83,233.74x = 124,863.05 × 30,639.23
4. Step 4: Simplify right side
   83,233.74x = 3,825,707,707.45
5. Step 5: Solve for x
   x = 3,825,707,707.45/83,233.74
6. Step 6: Final answer
   x = 45,963.42