Finding the Fourth Proportional to 369,851.24, 510,389.71 and 206,510.27

Step by Step Solution

1. Step 1: Write the proportion equation
   369,851.24 : 510,389.71 = 206,510.27 : x
2. Step 2: Convert to fraction form
   369,851.24/510,389.71 = 206,510.27/x
3. Step 3: Cross multiply
   369,851.24x = 510,389.71 × 206,510.27
4. Step 4: Simplify right side
   369,851.24x = 105,400,716,817.32
5. Step 5: Solve for x
   x = 105,400,716,817.32/369,851.24
6. Step 6: Final answer
   x = 284,981.38