Finding the Fourth Proportional to 494,097.02, 741,189.30 and 139,114.12

Step by Step Solution

1. Step 1: Write the proportion equation
   494,097.02 : 741,189.30 = 139,114.12 : x
2. Step 2: Convert to fraction form
   494,097.02/741,189.30 = 139,114.12/x
3. Step 3: Cross multiply
   494,097.02x = 741,189.30 × 139,114.12
4. Step 4: Simplify right side
   494,097.02x = 103,109,897,222.92
5. Step 5: Solve for x
   x = 103,109,897,222.92/494,097.02
6. Step 6: Final answer
   x = 208,683.50