Finding the Fourth Proportional to 384,042.56, 530,073.60 and 233,265.92

Step by Step Solution

1. Step 1: Write the proportion equation
   384,042.56 : 530,073.60 = 233,265.92 : x
2. Step 2: Convert to fraction form
   384,042.56/530,073.60 = 233,265.92/x
3. Step 3: Cross multiply
   384,042.56x = 530,073.60 × 233,265.92
4. Step 4: Simplify right side
   384,042.56x = 123,648,105,971.71
5. Step 5: Solve for x
   x = 123,648,105,971.71/384,042.56
6. Step 6: Final answer
   x = 321,964.59