Finding the Fourth Proportional to 139,196.05, 192,091.05 and 75,533.85

Step by Step Solution

1. Step 1: Write the proportion equation
   139,196.05 : 192,091.05 = 75,533.85 : x
2. Step 2: Convert to fraction form
   139,196.05/192,091.05 = 75,533.85/x
3. Step 3: Cross multiply
   139,196.05x = 192,091.05 × 75,533.85
4. Step 4: Simplify right side
   139,196.05x = 14,509,376,557.04
5. Step 5: Solve for x
   x = 14,509,376,557.04/139,196.05
6. Step 6: Final answer
   x = 104,236.98