Finding the Fourth Proportional to 339,976.04, 469,201.31 and 194,801.05

Step by Step Solution

1. Step 1: Write the proportion equation
   339,976.04 : 469,201.31 = 194,801.05 : x
2. Step 2: Convert to fraction form
   339,976.04/469,201.31 = 194,801.05/x
3. Step 3: Cross multiply
   339,976.04x = 469,201.31 × 194,801.05
4. Step 4: Simplify right side
   339,976.04x = 91,400,908,192.38
5. Step 5: Solve for x
   x = 91,400,908,192.38/339,976.04
6. Step 6: Final answer
   x = 268,845.15