Finding the Fourth Proportional to 532,019.59, 734,204.73 and 290,315.42

Step by Step Solution

1. Step 1: Write the proportion equation
   532,019.59 : 734,204.73 = 290,315.42 : x
2. Step 2: Convert to fraction form
   532,019.59/734,204.73 = 290,315.42/x
3. Step 3: Cross multiply
   532,019.59x = 734,204.73 × 290,315.42
4. Step 4: Simplify right side
   532,019.59x = 213,150,954,555.94
5. Step 5: Solve for x
   x = 213,150,954,555.94/532,019.59
6. Step 6: Final answer
   x = 400,644.94