Finding the Fourth Proportional to 654,665.42, 903,429.56 and 368,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   654,665.42 : 903,429.56 = 368,185.50 : x
2. Step 2: Convert to fraction form
   654,665.42/903,429.56 = 368,185.50/x
3. Step 3: Cross multiply
   654,665.42x = 903,429.56 × 368,185.50
4. Step 4: Simplify right side
   654,665.42x = 332,629,665,183.84
5. Step 5: Solve for x
   x = 332,629,665,183.84/654,665.42
6. Step 6: Final answer
   x = 508,091.09