Finding the Fourth Proportional to 139,733.48, 192,836.22 and 76,072.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,733.48 : 192,836.22 = 76,072.34 : x
2. Step 2: Convert to fraction form
   139,733.48/192,836.22 = 76,072.34/x
3. Step 3: Cross multiply
   139,733.48x = 192,836.22 × 76,072.34
4. Step 4: Simplify right side
   139,733.48x = 14,669,502,492.15
5. Step 5: Solve for x
   x = 14,669,502,492.15/139,733.48
6. Step 6: Final answer
   x = 104,982.02