Finding the Fourth Proportional to 139,162.92, 192,044.01 and 75,499.35

Step by Step Solution

1. Step 1: Write the proportion equation
   139,162.92 : 192,044.01 = 75,499.35 : x
2. Step 2: Convert to fraction form
   139,162.92/192,044.01 = 75,499.35/x
3. Step 3: Cross multiply
   139,162.92x = 192,044.01 × 75,499.35
4. Step 4: Simplify right side
   139,162.92x = 14,499,197,926.39
5. Step 5: Solve for x
   x = 14,499,197,926.39/139,162.92
6. Step 6: Final answer
   x = 104,188.66