Finding the Fourth Proportional to 384,076.69, 530,025.42 and 214,310.83

Step by Step Solution

1. Step 1: Write the proportion equation
   384,076.69 : 530,025.42 = 214,310.83 : x
2. Step 2: Convert to fraction form
   384,076.69/530,025.42 = 214,310.83/x
3. Step 3: Cross multiply
   384,076.69x = 530,025.42 × 214,310.83
4. Step 4: Simplify right side
   384,076.69x = 113,590,187,681.30
5. Step 5: Solve for x
   x = 113,590,187,681.30/384,076.69
6. Step 6: Final answer
   x = 295,748.72