Finding the Fourth Proportional to 426,870.27, 589,089.42 and 233,289.96

Step by Step Solution

1. Step 1: Write the proportion equation
   426,870.27 : 589,089.42 = 233,289.96 : x
2. Step 2: Convert to fraction form
   426,870.27/589,089.42 = 233,289.96/x
3. Step 3: Cross multiply
   426,870.27x = 589,089.42 × 233,289.96
4. Step 4: Simplify right side
   426,870.27x = 137,428,645,019.14
5. Step 5: Solve for x
   x = 137,428,645,019.14/426,870.27
6. Step 6: Final answer
   x = 321,944.76