Finding the Fourth Proportional to 384,016.10, 529,972.27 and 211,968.22

Step by Step Solution

1. Step 1: Write the proportion equation
   384,016.10 : 529,972.27 = 211,968.22 : x
2. Step 2: Convert to fraction form
   384,016.10/529,972.27 = 211,968.22/x
3. Step 3: Cross multiply
   384,016.10x = 529,972.27 × 211,968.22
4. Step 4: Simplify right side
   384,016.10x = 112,337,279,648.69
5. Step 5: Solve for x
   x = 112,337,279,648.69/384,016.10
6. Step 6: Final answer
   x = 292,532.74