Finding the Fourth Proportional to 384,109.48, 530,022.18 and 214,350.76

Step by Step Solution

1. Step 1: Write the proportion equation
   384,109.48 : 530,022.18 = 214,350.76 : x
2. Step 2: Convert to fraction form
   384,109.48/530,022.18 = 214,350.76/x
3. Step 3: Cross multiply
   384,109.48x = 530,022.18 × 214,350.76
4. Step 4: Simplify right side
   384,109.48x = 113,610,657,099.86
5. Step 5: Solve for x
   x = 113,610,657,099.86/384,109.48
6. Step 6: Final answer
   x = 295,776.76