Finding the Fourth Proportional to 3,758.40, 5,627.18 and 1,900.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.40 : 5,627.18 = 1,900.43 : x
2. Step 2: Convert to fraction form
   3,758.40/5,627.18 = 1,900.43/x
3. Step 3: Cross multiply
   3,758.40x = 5,627.18 × 1,900.43
4. Step 4: Simplify right side
   3,758.40x = 10,694,024.05
5. Step 5: Solve for x
   x = 10,694,024.05/3,758.40
6. Step 6: Final answer
   x = 2,845.37