Finding the Fourth Proportional to 328,452.89, 492,902.89 and 118,112.09

Step by Step Solution

1. Step 1: Write the proportion equation
   328,452.89 : 492,902.89 = 118,112.09 : x
2. Step 2: Convert to fraction form
   328,452.89/492,902.89 = 118,112.09/x
3. Step 3: Cross multiply
   328,452.89x = 492,902.89 × 118,112.09
4. Step 4: Simplify right side
   328,452.89x = 58,217,787,745.15
5. Step 5: Solve for x
   x = 58,217,787,745.15/328,452.89
6. Step 6: Final answer
   x = 177,248.52