Finding the Fourth Proportional to 494,096.52, 741,188.55 and 139,113.62

Step by Step Solution

1. Step 1: Write the proportion equation
   494,096.52 : 741,188.55 = 139,113.62 : x
2. Step 2: Convert to fraction form
   494,096.52/741,188.55 = 139,113.62/x
3. Step 3: Cross multiply
   494,096.52x = 741,188.55 × 139,113.62
4. Step 4: Simplify right side
   494,096.52x = 103,109,418,587.11
5. Step 5: Solve for x
   x = 103,109,418,587.11/494,096.52
6. Step 6: Final answer
   x = 208,682.75