Finding the Fourth Proportional to 85,608.09, 118,110.15 and 49,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,608.09 : 118,110.15 = 49,768.56 : x
2. Step 2: Convert to fraction form
   85,608.09/118,110.15 = 49,768.56/x
3. Step 3: Cross multiply
   85,608.09x = 118,110.15 × 49,768.56
4. Step 4: Simplify right side
   85,608.09x = 5,878,172,086.88
5. Step 5: Solve for x
   x = 5,878,172,086.88/85,608.09
6. Step 6: Final answer
   x = 68,663.75