Finding the Fourth Proportional to 3,748.48, 5,626.15 and 1,900.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.48 : 5,626.15 = 1,900.87 : x
2. Step 2: Convert to fraction form
   3,748.48/5,626.15 = 1,900.87/x
3. Step 3: Cross multiply
   3,748.48x = 5,626.15 × 1,900.87
4. Step 4: Simplify right side
   3,748.48x = 10,694,589.16
5. Step 5: Solve for x
   x = 10,694,589.16/3,748.48
6. Step 6: Final answer
   x = 2,853.05