Finding the Fourth Proportional to 479,300.10, 718,378.22 and 222,786.06

Step by Step Solution

1. Step 1: Write the proportion equation
   479,300.10 : 718,378.22 = 222,786.06 : x
2. Step 2: Convert to fraction form
   479,300.10/718,378.22 = 222,786.06/x
3. Step 3: Cross multiply
   479,300.10x = 718,378.22 × 222,786.06
4. Step 4: Simplify right side
   479,300.10x = 160,044,653,223.61
5. Step 5: Solve for x
   x = 160,044,653,223.61/479,300.10
6. Step 6: Final answer
   x = 333,913.25