Finding the Fourth Proportional to 83,234.93, 124,864.83 and 30,640.42

Step by Step Solution

1. Step 1: Write the proportion equation
   83,234.93 : 124,864.83 = 30,640.42 : x
2. Step 2: Convert to fraction form
   83,234.93/124,864.83 = 30,640.42/x
3. Step 3: Cross multiply
   83,234.93x = 124,864.83 × 30,640.42
4. Step 4: Simplify right side
   83,234.93x = 3,825,910,056.90
5. Step 5: Solve for x
   x = 3,825,910,056.90/83,234.93
6. Step 6: Final answer
   x = 45,965.20