Finding the Fourth Proportional to 441,978.72, 609,929.52 and 240,774.24

Step by Step Solution

1. Step 1: Write the proportion equation
   441,978.72 : 609,929.52 = 240,774.24 : x
2. Step 2: Convert to fraction form
   441,978.72/609,929.52 = 240,774.24/x
3. Step 3: Cross multiply
   441,978.72x = 609,929.52 × 240,774.24
4. Step 4: Simplify right side
   441,978.72x = 146,855,316,631.57
5. Step 5: Solve for x
   x = 146,855,316,631.57/441,978.72
6. Step 6: Final answer
   x = 332,267.84