Finding the Fourth Proportional to 345,872.31, 477,304.58 and 194,969.31

Step by Step Solution

1. Step 1: Write the proportion equation
   345,872.31 : 477,304.58 = 194,969.31 : x
2. Step 2: Convert to fraction form
   345,872.31/477,304.58 = 194,969.31/x
3. Step 3: Cross multiply
   345,872.31x = 477,304.58 × 194,969.31
4. Step 4: Simplify right side
   345,872.31x = 93,059,743,647.59
5. Step 5: Solve for x
   x = 93,059,743,647.59/345,872.31
6. Step 6: Final answer
   x = 269,058.09