Finding the Fourth Proportional to 442,069.31, 610,055.69 and 240,865.31

Step by Step Solution

1. Step 1: Write the proportion equation
   442,069.31 : 610,055.69 = 240,865.31 : x
2. Step 2: Convert to fraction form
   442,069.31/610,055.69 = 240,865.31/x
3. Step 3: Cross multiply
   442,069.31x = 610,055.69 × 240,865.31
4. Step 4: Simplify right side
   442,069.31x = 146,941,253,209.93
5. Step 5: Solve for x
   x = 146,941,253,209.93/442,069.31
6. Step 6: Final answer
   x = 332,394.15