Finding the Fourth Proportional to 304,868.59, 420,684.61 and 168,868.79

Step by Step Solution

1. Step 1: Write the proportion equation
   304,868.59 : 420,684.61 = 168,868.79 : x
2. Step 2: Convert to fraction form
   304,868.59/420,684.61 = 168,868.79/x
3. Step 3: Cross multiply
   304,868.59x = 420,684.61 × 168,868.79
4. Step 4: Simplify right side
   304,868.59x = 71,040,501,691.86
5. Step 5: Solve for x
   x = 71,040,501,691.86/304,868.59
6. Step 6: Final answer
   x = 233,020.08