Finding the Fourth Proportional to 339,142.32, 468,053.52 and 193,961.56

Step by Step Solution

1. Step 1: Write the proportion equation
   339,142.32 : 468,053.52 = 193,961.56 : x
2. Step 2: Convert to fraction form
   339,142.32/468,053.52 = 193,961.56/x
3. Step 3: Cross multiply
   339,142.32x = 468,053.52 × 193,961.56
4. Step 4: Simplify right side
   339,142.32x = 90,784,390,902.69
5. Step 5: Solve for x
   x = 90,784,390,902.69/339,142.32
6. Step 6: Final answer
   x = 267,688.18