Finding the Fourth Proportional to 139,550.89, 192,581.77 and 75,888.69

Step by Step Solution

1. Step 1: Write the proportion equation
   139,550.89 : 192,581.77 = 75,888.69 : x
2. Step 2: Convert to fraction form
   139,550.89/192,581.77 = 75,888.69/x
3. Step 3: Cross multiply
   139,550.89x = 192,581.77 × 75,888.69
4. Step 4: Simplify right side
   139,550.89x = 14,614,778,243.18
5. Step 5: Solve for x
   x = 14,614,778,243.18/139,550.89
6. Step 6: Final answer
   x = 104,727.23