Finding the Fourth Proportional to 139,556.82, 209,335.32 and 60,627.99

Step by Step Solution

1. Step 1: Write the proportion equation
   139,556.82 : 209,335.32 = 60,627.99 : x
2. Step 2: Convert to fraction form
   139,556.82/209,335.32 = 60,627.99/x
3. Step 3: Cross multiply
   139,556.82x = 209,335.32 × 60,627.99
4. Step 4: Simplify right side
   139,556.82x = 12,691,579,687.61
5. Step 5: Solve for x
   x = 12,691,579,687.61/139,556.82
6. Step 6: Final answer
   x = 90,942.02