Finding the Fourth Proportional to 326,065.33, 449,974.76 and 196,985.86

Step by Step Solution

1. Step 1: Write the proportion equation
   326,065.33 : 449,974.76 = 196,985.86 : x
2. Step 2: Convert to fraction form
   326,065.33/449,974.76 = 196,985.86/x
3. Step 3: Cross multiply
   326,065.33x = 449,974.76 × 196,985.86
4. Step 4: Simplify right side
   326,065.33x = 88,638,665,076.89
5. Step 5: Solve for x
   x = 88,638,665,076.89/326,065.33
6. Step 6: Final answer
   x = 271,843.27