Finding the Fourth Proportional to 2,562.16, 3,845.52 and 1,330.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.16 : 3,845.52 = 1,330.42 : x
2. Step 2: Convert to fraction form
   2,562.16/3,845.52 = 1,330.42/x
3. Step 3: Cross multiply
   2,562.16x = 3,845.52 × 1,330.42
4. Step 4: Simplify right side
   2,562.16x = 5,116,150.07
5. Step 5: Solve for x
   x = 5,116,150.07/2,562.16
6. Step 6: Final answer
   x = 1,996.81