Finding the Fourth Proportional to 404,574,671.72, 558,176,375.10 and 263,381,601.80

Step by Step Solution

1. Step 1: Write the proportion equation
   404,574,671.72 : 558,176,375.10 = 263,381,601.80 : x
2. Step 2: Convert to fraction form
   404,574,671.72/558,176,375.10 = 263,381,601.80/x
3. Step 3: Cross multiply
   404,574,671.72x = 558,176,375.10 × 263,381,601.80
4. Step 4: Simplify right side
   404,574,671.72x = 147,013,387,760,755,648
5. Step 5: Solve for x
   x = 147,013,387,760,755,648/404,574,671.72
6. Step 6: Final answer
   x = 363,377,635.92