Finding the Fourth Proportional to 139,229.16, 208,839.96 and 96,492.84

Step by Step Solution

1. Step 1: Write the proportion equation
   139,229.16 : 208,839.96 = 96,492.84 : x
2. Step 2: Convert to fraction form
   139,229.16/208,839.96 = 96,492.84/x
3. Step 3: Cross multiply
   139,229.16x = 208,839.96 × 96,492.84
4. Step 4: Simplify right side
   139,229.16x = 20,151,560,845.89
5. Step 5: Solve for x
   x = 20,151,560,845.89/139,229.16
6. Step 6: Final answer
   x = 144,736.64