Finding the Fourth Proportional to 139,496.15, 192,499.34 and 75,833.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,496.15 : 192,499.34 = 75,833.96 : x
2. Step 2: Convert to fraction form
   139,496.15/192,499.34 = 75,833.96/x
3. Step 3: Cross multiply
   139,496.15x = 192,499.34 × 75,833.96
4. Step 4: Simplify right side
   139,496.15x = 14,597,985,907.92
5. Step 5: Solve for x
   x = 14,597,985,907.92/139,496.15
6. Step 6: Final answer
   x = 104,647.95