Finding the Fourth Proportional to 2,131,554.76, 3,199,608.24 and 917,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,554.76 : 3,199,608.24 = 917,732.50 : x
2. Step 2: Convert to fraction form
   2,131,554.76/3,199,608.24 = 917,732.50/x
3. Step 3: Cross multiply
   2,131,554.76x = 3,199,608.24 × 917,732.50
4. Step 4: Simplify right side
   2,131,554.76x = 2,936,384,469,115.80
5. Step 5: Solve for x
   x = 2,936,384,469,115.80/2,131,554.76
6. Step 6: Final answer
   x = 1,377,578.72