Finding the Fourth Proportional to 339,579.72, 468,411.57 and 201,664.96

Step by Step Solution

1. Step 1: Write the proportion equation
   339,579.72 : 468,411.57 = 201,664.96 : x
2. Step 2: Convert to fraction form
   339,579.72/468,411.57 = 201,664.96/x
3. Step 3: Cross multiply
   339,579.72x = 468,411.57 × 201,664.96
4. Step 4: Simplify right side
   339,579.72x = 94,462,200,527.59
5. Step 5: Solve for x
   x = 94,462,200,527.59/339,579.72
6. Step 6: Final answer
   x = 278,173.86