Finding the Fourth Proportional to 544,978.68, 816,934.41 and 203,172.00

Step by Step Solution

1. Step 1: Write the proportion equation
   544,978.68 : 816,934.41 = 203,172.00 : x
2. Step 2: Convert to fraction form
   544,978.68/816,934.41 = 203,172.00/x
3. Step 3: Cross multiply
   544,978.68x = 816,934.41 × 203,172.00
4. Step 4: Simplify right side
   544,978.68x = 165,978,194,885.02
5. Step 5: Solve for x
   x = 165,978,194,885.02/544,978.68
6. Step 6: Final answer
   x = 304,559.06