Finding the Fourth Proportional to 3,870.36, 5,803.58 and 1,896.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.36 : 5,803.58 = 1,896.13 : x
2. Step 2: Convert to fraction form
   3,870.36/5,803.58 = 1,896.13/x
3. Step 3: Cross multiply
   3,870.36x = 5,803.58 × 1,896.13
4. Step 4: Simplify right side
   3,870.36x = 11,004,342.15
5. Step 5: Solve for x
   x = 11,004,342.15/3,870.36
6. Step 6: Final answer
   x = 2,843.24