Finding the Fourth Proportional to 139,494.60, 192,500.28 and 75,834

Step by Step Solution

1. Step 1: Write the proportion equation
   139,494.60 : 192,500.28 = 75,834 : x
2. Step 2: Convert to fraction form
   139,494.60/192,500.28 = 75,834/x
3. Step 3: Cross multiply
   139,494.60x = 192,500.28 × 75,834
4. Step 4: Simplify right side
   139,494.60x = 14,598,066,233.52
5. Step 5: Solve for x
   x = 14,598,066,233.52/139,494.60
6. Step 6: Final answer
   x = 104,649.69