Finding the Fourth Proportional to 442,080.50, 610,071.18 and 240,876.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,080.50 : 610,071.18 = 240,876.50 : x
2. Step 2: Convert to fraction form
   442,080.50/610,071.18 = 240,876.50/x
3. Step 3: Cross multiply
   442,080.50x = 610,071.18 × 240,876.50
4. Step 4: Simplify right side
   442,080.50x = 146,951,810,589.27
5. Step 5: Solve for x
   x = 146,951,810,589.27/442,080.50
6. Step 6: Final answer
   x = 332,409.62