Finding the Fourth Proportional to 139,196.81, 192,092.12 and 75,534.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,196.81 : 192,092.12 = 75,534.62 : x
2. Step 2: Convert to fraction form
   139,196.81/192,092.12 = 75,534.62/x
3. Step 3: Cross multiply
   139,196.81x = 192,092.12 × 75,534.62
4. Step 4: Simplify right side
   139,196.81x = 14,509,604,911.52
5. Step 5: Solve for x
   x = 14,509,604,911.52/139,196.81
6. Step 6: Final answer
   x = 104,238.06