Finding the Fourth Proportional to 89,936.55, 124,110.72 and 49,651.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,936.55 : 124,110.72 = 49,651.56 : x
2. Step 2: Convert to fraction form
   89,936.55/124,110.72 = 49,651.56/x
3. Step 3: Cross multiply
   89,936.55x = 124,110.72 × 49,651.56
4. Step 4: Simplify right side
   89,936.55x = 6,162,290,860.72
5. Step 5: Solve for x
   x = 6,162,290,860.72/89,936.55
6. Step 6: Final answer
   x = 68,518.20