Finding the Fourth Proportional to 3,744.69, 5,620.48 and 1,897.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,744.69 : 5,620.48 = 1,897.09 : x
2. Step 2: Convert to fraction form
   3,744.69/5,620.48 = 1,897.09/x
3. Step 3: Cross multiply
   3,744.69x = 5,620.48 × 1,897.09
4. Step 4: Simplify right side
   3,744.69x = 10,662,537.61
5. Step 5: Solve for x
   x = 10,662,537.61/3,744.69
6. Step 6: Final answer
   x = 2,847.38