Finding the Fourth Proportional to 2,445.82, 3,660.32 and 1,900.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.82 : 3,660.32 = 1,900.49 : x
2. Step 2: Convert to fraction form
   2,445.82/3,660.32 = 1,900.49/x
3. Step 3: Cross multiply
   2,445.82x = 3,660.32 × 1,900.49
4. Step 4: Simplify right side
   2,445.82x = 6,956,388.01
5. Step 5: Solve for x
   x = 6,956,388.01/2,445.82
6. Step 6: Final answer
   x = 2,844.20