Finding the Fourth Proportional to 384,002.56, 529,923.86 and 214,236.72

Step by Step Solution

1. Step 1: Write the proportion equation
   384,002.56 : 529,923.86 = 214,236.72 : x
2. Step 2: Convert to fraction form
   384,002.56/529,923.86 = 214,236.72/x
3. Step 3: Cross multiply
   384,002.56x = 529,923.86 × 214,236.72
4. Step 4: Simplify right side
   384,002.56x = 113,529,149,616.14
5. Step 5: Solve for x
   x = 113,529,149,616.14/384,002.56
6. Step 6: Final answer
   x = 295,646.86