Finding the Fourth Proportional to 85,758.63, 118,350.57 and 49,942.86

Step by Step Solution

1. Step 1: Write the proportion equation
   85,758.63 : 118,350.57 = 49,942.86 : x
2. Step 2: Convert to fraction form
   85,758.63/118,350.57 = 49,942.86/x
3. Step 3: Cross multiply
   85,758.63x = 118,350.57 × 49,942.86
4. Step 4: Simplify right side
   85,758.63x = 5,910,765,948.43
5. Step 5: Solve for x
   x = 5,910,765,948.43/85,758.63
6. Step 6: Final answer
   x = 68,923.28