Finding the Fourth Proportional to 1,411.44, 2,105.25 and 1,330.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.44 : 2,105.25 = 1,330.16 : x
2. Step 2: Convert to fraction form
   1,411.44/2,105.25 = 1,330.16/x
3. Step 3: Cross multiply
   1,411.44x = 2,105.25 × 1,330.16
4. Step 4: Simplify right side
   1,411.44x = 2,800,308.81
5. Step 5: Solve for x
   x = 2,800,308.81/1,411.44
6. Step 6: Final answer
   x = 1,984.01