Finding the Fourth Proportional to 304,139.89, 419,676.42 and 168,155.47

Step by Step Solution

1. Step 1: Write the proportion equation
   304,139.89 : 419,676.42 = 168,155.47 : x
2. Step 2: Convert to fraction form
   304,139.89/419,676.42 = 168,155.47/x
3. Step 3: Cross multiply
   304,139.89x = 419,676.42 × 168,155.47
4. Step 4: Simplify right side
   304,139.89x = 70,570,885,653.02
5. Step 5: Solve for x
   x = 70,570,885,653.02/304,139.89
6. Step 6: Final answer
   x = 232,034.30