Finding the Fourth Proportional to 526,019.98, 789,063.18 and 222,357.51

Step by Step Solution

1. Step 1: Write the proportion equation
   526,019.98 : 789,063.18 = 222,357.51 : x
2. Step 2: Convert to fraction form
   526,019.98/789,063.18 = 222,357.51/x
3. Step 3: Cross multiply
   526,019.98x = 789,063.18 × 222,357.51
4. Step 4: Simplify right side
   526,019.98x = 175,454,124,979.78
5. Step 5: Solve for x
   x = 175,454,124,979.78/526,019.98
6. Step 6: Final answer
   x = 333,550.31