Finding the Fourth Proportional to 2,563.47, 3,845.32 and 1,330.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.47 : 3,845.32 = 1,330.10 : x
2. Step 2: Convert to fraction form
   2,563.47/3,845.32 = 1,330.10/x
3. Step 3: Cross multiply
   2,563.47x = 3,845.32 × 1,330.10
4. Step 4: Simplify right side
   2,563.47x = 5,114,660.13
5. Step 5: Solve for x
   x = 5,114,660.13/2,563.47
6. Step 6: Final answer
   x = 1,995.21