Finding the Fourth Proportional to 470,647.52, 649,498.61 and 255,787.59

Step by Step Solution

1. Step 1: Write the proportion equation
   470,647.52 : 649,498.61 = 255,787.59 : x
2. Step 2: Convert to fraction form
   470,647.52/649,498.61 = 255,787.59/x
3. Step 3: Cross multiply
   470,647.52x = 649,498.61 × 255,787.59
4. Step 4: Simplify right side
   470,647.52x = 166,133,682,881.31
5. Step 5: Solve for x
   x = 166,133,682,881.31/470,647.52
6. Step 6: Final answer
   x = 352,989.61