Finding the Fourth Proportional to 304,105.45, 419,648.56 and 168,131.47

Step by Step Solution

1. Step 1: Write the proportion equation
   304,105.45 : 419,648.56 = 168,131.47 : x
2. Step 2: Convert to fraction form
   304,105.45/419,648.56 = 168,131.47/x
3. Step 3: Cross multiply
   304,105.45x = 419,648.56 × 168,131.47
4. Step 4: Simplify right side
   304,105.45x = 70,556,129,276.18
5. Step 5: Solve for x
   x = 70,556,129,276.18/304,105.45
6. Step 6: Final answer
   x = 232,012.05