Finding the Fourth Proportional to 139,215, 192,116.84 and 75,552.80

Step by Step Solution

1. Step 1: Write the proportion equation
   139,215 : 192,116.84 = 75,552.80 : x
2. Step 2: Convert to fraction form
   139,215/192,116.84 = 75,552.80/x
3. Step 3: Cross multiply
   139,215x = 192,116.84 × 75,552.80
4. Step 4: Simplify right side
   139,215x = 14,514,965,189.15
5. Step 5: Solve for x
   x = 14,514,965,189.15/139,215
6. Step 6: Final answer
   x = 104,262.94