Finding the Fourth Proportional to 86,137.83, 118,870.74 and 49,838.49

Step by Step Solution

1. Step 1: Write the proportion equation
   86,137.83 : 118,870.74 = 49,838.49 : x
2. Step 2: Convert to fraction form
   86,137.83/118,870.74 = 49,838.49/x
3. Step 3: Cross multiply
   86,137.83x = 118,870.74 × 49,838.49
4. Step 4: Simplify right side
   86,137.83x = 5,924,338,186.78
5. Step 5: Solve for x
   x = 5,924,338,186.78/86,137.83
6. Step 6: Final answer
   x = 68,777.43