Finding the Fourth Proportional to 139,513.86, 192,537 and 75,850.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,513.86 : 192,537 = 75,850.29 : x
2. Step 2: Convert to fraction form
   139,513.86/192,537 = 75,850.29/x
3. Step 3: Cross multiply
   139,513.86x = 192,537 × 75,850.29
4. Step 4: Simplify right side
   139,513.86x = 14,603,987,285.73
5. Step 5: Solve for x
   x = 14,603,987,285.73/139,513.86
6. Step 6: Final answer
   x = 104,677.68