Finding the Fourth Proportional to 442,079.50, 610,069.72 and 240,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,079.50 : 610,069.72 = 240,875.50 : x
2. Step 2: Convert to fraction form
   442,079.50/610,069.72 = 240,875.50/x
3. Step 3: Cross multiply
   442,079.50x = 610,069.72 × 240,875.50
4. Step 4: Simplify right side
   442,079.50x = 146,950,848,839.86
5. Step 5: Solve for x
   x = 146,950,848,839.86/442,079.50
6. Step 6: Final answer
   x = 332,408.20