Finding the Fourth Proportional to 304,561.85, 420,111.46 and 195,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,561.85 : 420,111.46 = 195,629.50 : x
2. Step 2: Convert to fraction form
   304,561.85/420,111.46 = 195,629.50/x
3. Step 3: Cross multiply
   304,561.85x = 420,111.46 × 195,629.50
4. Step 4: Simplify right side
   304,561.85x = 82,186,196,815.31
5. Step 5: Solve for x
   x = 82,186,196,815.31/304,561.85
6. Step 6: Final answer
   x = 269,850.60