Finding the Fourth Proportional to 329,845.50, 494,743.41 and 105,196.86

Step by Step Solution

1. Step 1: Write the proportion equation
   329,845.50 : 494,743.41 = 105,196.86 : x
2. Step 2: Convert to fraction form
   329,845.50/494,743.41 = 105,196.86/x
3. Step 3: Cross multiply
   329,845.50x = 494,743.41 × 105,196.86
4. Step 4: Simplify right side
   329,845.50x = 52,045,453,237.69
5. Step 5: Solve for x
   x = 52,045,453,237.69/329,845.50
6. Step 6: Final answer
   x = 157,787.37