Finding the Fourth Proportional to 357,238.52, 492,971.34 and 206,326.52

Step by Step Solution

1. Step 1: Write the proportion equation
   357,238.52 : 492,971.34 = 206,326.52 : x
2. Step 2: Convert to fraction form
   357,238.52/492,971.34 = 206,326.52/x
3. Step 3: Cross multiply
   357,238.52x = 492,971.34 × 206,326.52
4. Step 4: Simplify right side
   357,238.52x = 101,713,061,041.94
5. Step 5: Solve for x
   x = 101,713,061,041.94/357,238.52
6. Step 6: Final answer
   x = 284,720.31