Finding the Fourth Proportional to 3,540.34, 5,314.61 and 1,900.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540.34 : 5,314.61 = 1,900.09 : x
2. Step 2: Convert to fraction form
   3,540.34/5,314.61 = 1,900.09/x
3. Step 3: Cross multiply
   3,540.34x = 5,314.61 × 1,900.09
4. Step 4: Simplify right side
   3,540.34x = 10,098,237.31
5. Step 5: Solve for x
   x = 10,098,237.31/3,540.34
6. Step 6: Final answer
   x = 2,852.34