Finding the Fourth Proportional to 139,235.67, 192,145.41 and 75,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,235.67 : 192,145.41 = 75,573.50 : x
2. Step 2: Convert to fraction form
   139,235.67/192,145.41 = 75,573.50/x
3. Step 3: Cross multiply
   139,235.67x = 192,145.41 × 75,573.50
4. Step 4: Simplify right side
   139,235.67x = 14,521,100,181.91
5. Step 5: Solve for x
   x = 14,521,100,181.91/139,235.67
6. Step 6: Final answer
   x = 104,291.52