Finding the Fourth Proportional to 2,696.09, 3,721.50 and 1,898.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.09 : 3,721.50 = 1,898.73 : x
2. Step 2: Convert to fraction form
   2,696.09/3,721.50 = 1,898.73/x
3. Step 3: Cross multiply
   2,696.09x = 3,721.50 × 1,898.73
4. Step 4: Simplify right side
   2,696.09x = 7,066,123.70
5. Step 5: Solve for x
   x = 7,066,123.70/2,696.09
6. Step 6: Final answer
   x = 2,620.88