Finding the Fourth Proportional to 83,112.72, 124,599.69 and 38,716.62

Step by Step Solution

1. Step 1: Write the proportion equation
   83,112.72 : 124,599.69 = 38,716.62 : x
2. Step 2: Convert to fraction form
   83,112.72/124,599.69 = 38,716.62/x
3. Step 3: Cross multiply
   83,112.72x = 124,599.69 × 38,716.62
4. Step 4: Simplify right side
   83,112.72x = 4,824,078,849.85
5. Step 5: Solve for x
   x = 4,824,078,849.85/83,112.72
6. Step 6: Final answer
   x = 58,042.61