Finding the Fourth Proportional to 422,061.39, 582,491.52 and 240,818.13

Step by Step Solution

1. Step 1: Write the proportion equation
   422,061.39 : 582,491.52 = 240,818.13 : x
2. Step 2: Convert to fraction form
   422,061.39/582,491.52 = 240,818.13/x
3. Step 3: Cross multiply
   422,061.39x = 582,491.52 × 240,818.13
4. Step 4: Simplify right side
   422,061.39x = 140,274,518,587.26
5. Step 5: Solve for x
   x = 140,274,518,587.26/422,061.39
6. Step 6: Final answer
   x = 332,355.72