Finding the Fourth Proportional to 494,094.52, 741,185.54 and 139,111.62

Step by Step Solution

1. Step 1: Write the proportion equation
   494,094.52 : 741,185.54 = 139,111.62 : x
2. Step 2: Convert to fraction form
   494,094.52/741,185.54 = 139,111.62/x
3. Step 3: Cross multiply
   494,094.52x = 741,185.54 × 139,111.62
4. Step 4: Simplify right side
   494,094.52x = 103,107,521,189.98
5. Step 5: Solve for x
   x = 103,107,521,189.98/494,094.52
6. Step 6: Final answer
   x = 208,679.75