Finding the Fourth Proportional to 386,804.82, 533,782.24 and 214,712.82

Step by Step Solution

1. Step 1: Write the proportion equation
   386,804.82 : 533,782.24 = 214,712.82 : x
2. Step 2: Convert to fraction form
   386,804.82/533,782.24 = 214,712.82/x
3. Step 3: Cross multiply
   386,804.82x = 533,782.24 × 214,712.82
4. Step 4: Simplify right side
   386,804.82x = 114,609,890,016.32
5. Step 5: Solve for x
   x = 114,609,890,016.32/386,804.82
6. Step 6: Final answer
   x = 296,299.02