Finding the Fourth Proportional to 304,281.30, 419,766.72 and 196,885.98

Step by Step Solution

1. Step 1: Write the proportion equation
   304,281.30 : 419,766.72 = 196,885.98 : x
2. Step 2: Convert to fraction form
   304,281.30/419,766.72 = 196,885.98/x
3. Step 3: Cross multiply
   304,281.30x = 419,766.72 × 196,885.98
4. Step 4: Simplify right side
   304,281.30x = 82,646,182,038.59
5. Step 5: Solve for x
   x = 82,646,182,038.59/304,281.30
6. Step 6: Final answer
   x = 271,611.11