Finding the Fourth Proportional to 304,053.31, 419,590.83 and 168,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   304,053.31 : 419,590.83 = 168,090.72 : x
2. Step 2: Convert to fraction form
   304,053.31/419,590.83 = 168,090.72/x
3. Step 3: Cross multiply
   304,053.31x = 419,590.83 × 168,090.72
4. Step 4: Simplify right side
   304,053.31x = 70,529,324,720.10
5. Step 5: Solve for x
   x = 70,529,324,720.10/304,053.31
6. Step 6: Final answer
   x = 231,963.68