Finding the Fourth Proportional to 404,749,095.16, 558,553,633.82 and 219,109,974.16

Step by Step Solution

1. Step 1: Write the proportion equation
   404,749,095.16 : 558,553,633.82 = 219,109,974.16 : x
2. Step 2: Convert to fraction form
   404,749,095.16/558,553,633.82 = 219,109,974.16/x
3. Step 3: Cross multiply
   404,749,095.16x = 558,553,633.82 × 219,109,974.16
4. Step 4: Simplify right side
   404,749,095.16x = 122,384,672,273,274,304
5. Step 5: Solve for x
   x = 122,384,672,273,274,304/404,749,095.16
6. Step 6: Final answer
   x = 302,371,700.73