Finding the Fourth Proportional to 304,196.68, 419,651.76 and 196,801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   304,196.68 : 419,651.76 = 196,801.30 : x
2. Step 2: Convert to fraction form
   304,196.68/419,651.76 = 196,801.30/x
3. Step 3: Cross multiply
   304,196.68x = 419,651.76 × 196,801.30
4. Step 4: Simplify right side
   304,196.68x = 82,588,011,915.29
5. Step 5: Solve for x
   x = 82,588,011,915.29/304,196.68
6. Step 6: Final answer
   x = 271,495.44