Finding the Fourth Proportional to 83,972.57, 115,874.52 and 49,975.58

Step by Step Solution

1. Step 1: Write the proportion equation
   83,972.57 : 115,874.52 = 49,975.58 : x
2. Step 2: Convert to fraction form
   83,972.57/115,874.52 = 49,975.58/x
3. Step 3: Cross multiply
   83,972.57x = 115,874.52 × 49,975.58
4. Step 4: Simplify right side
   83,972.57x = 5,790,895,764.85
5. Step 5: Solve for x
   x = 5,790,895,764.85/83,972.57
6. Step 6: Final answer
   x = 68,961.75