Finding the Fourth Proportional to 139,196.68, 192,095.12 and 75,534.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,196.68 : 192,095.12 = 75,534.52 : x
2. Step 2: Convert to fraction form
   139,196.68/192,095.12 = 75,534.52/x
3. Step 3: Cross multiply
   139,196.68x = 192,095.12 × 75,534.52
4. Step 4: Simplify right side
   139,196.68x = 14,509,812,683.54
5. Step 5: Solve for x
   x = 14,509,812,683.54/139,196.68
6. Step 6: Final answer
   x = 104,239.65