Finding the Fourth Proportional to 139,715.42, 192,799.46 and 76,049.42

Step by Step Solution

1. Step 1: Write the proportion equation
   139,715.42 : 192,799.46 = 76,049.42 : x
2. Step 2: Convert to fraction form
   139,715.42/192,799.46 = 76,049.42/x
3. Step 3: Cross multiply
   139,715.42x = 192,799.46 × 76,049.42
4. Step 4: Simplify right side
   139,715.42x = 14,662,287,109.31
5. Step 5: Solve for x
   x = 14,662,287,109.31/139,715.42
6. Step 6: Final answer
   x = 104,943.94