Finding the Fourth Proportional to 442,081.50, 610,072.56 and 240,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,081.50 : 610,072.56 = 240,877.50 : x
2. Step 2: Convert to fraction form
   442,081.50/610,072.56 = 240,877.50/x
3. Step 3: Cross multiply
   442,081.50x = 610,072.56 × 240,877.50
4. Step 4: Simplify right side
   442,081.50x = 146,952,753,071.40
5. Step 5: Solve for x
   x = 146,952,753,071.40/442,081.50
6. Step 6: Final answer
   x = 332,411.00