Finding the Fourth Proportional to 384,062.31, 530,100.86 and 233,285.67

Step by Step Solution

1. Step 1: Write the proportion equation
   384,062.31 : 530,100.86 = 233,285.67 : x
2. Step 2: Convert to fraction form
   384,062.31/530,100.86 = 233,285.67/x
3. Step 3: Cross multiply
   384,062.31x = 530,100.86 × 233,285.67
4. Step 4: Simplify right side
   384,062.31x = 123,664,933,126.25
5. Step 5: Solve for x
   x = 123,664,933,126.25/384,062.31
6. Step 6: Final answer
   x = 321,991.85