Finding the Fourth Proportional to 384,086.61, 529,916.18 and 214,287.93

Step by Step Solution

1. Step 1: Write the proportion equation
   384,086.61 : 529,916.18 = 214,287.93 : x
2. Step 2: Convert to fraction form
   384,086.61/529,916.18 = 214,287.93/x
3. Step 3: Cross multiply
   384,086.61x = 529,916.18 × 214,287.93
4. Step 4: Simplify right side
   384,086.61x = 113,554,640,214.27
5. Step 5: Solve for x
   x = 113,554,640,214.27/384,086.61
6. Step 6: Final answer
   x = 295,648.53