Finding the Fourth Proportional to 339,604.16, 468,656.56 and 212,353.52

Step by Step Solution

1. Step 1: Write the proportion equation
   339,604.16 : 468,656.56 = 212,353.52 : x
2. Step 2: Convert to fraction form
   339,604.16/468,656.56 = 212,353.52/x
3. Step 3: Cross multiply
   339,604.16x = 468,656.56 × 212,353.52
4. Step 4: Simplify right side
   339,604.16x = 99,520,870,187.09
5. Step 5: Solve for x
   x = 99,520,870,187.09/339,604.16
6. Step 6: Final answer
   x = 293,049.62