Finding the Fourth Proportional to 368,206,791.49, 508,136,144.72 and 200,953,780.10

Step by Step Solution

1. Step 1: Write the proportion equation
   368,206,791.49 : 508,136,144.72 = 200,953,780.10 : x
2. Step 2: Convert to fraction form
   368,206,791.49/508,136,144.72 = 200,953,780.10/x
3. Step 3: Cross multiply
   368,206,791.49x = 508,136,144.72 × 200,953,780.10
4. Step 4: Simplify right side
   368,206,791.49x = 102,111,879,084,383,984
5. Step 5: Solve for x
   x = 102,111,879,084,383,984/368,206,791.49
6. Step 6: Final answer
   x = 277,322,095.75