Finding the Fourth Proportional to 384,056.69, 530,093.09 and 233,280.05

Step by Step Solution

1. Step 1: Write the proportion equation
   384,056.69 : 530,093.09 = 233,280.05 : x
2. Step 2: Convert to fraction form
   384,056.69/530,093.09 = 233,280.05/x
3. Step 3: Cross multiply
   384,056.69x = 530,093.09 × 233,280.05
4. Step 4: Simplify right side
   384,056.69x = 123,660,140,472.59
5. Step 5: Solve for x
   x = 123,660,140,472.59/384,056.69
6. Step 6: Final answer
   x = 321,984.09