Finding the Fourth Proportional to 2,591.16, 3,575.71 and 1,412.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.16 : 3,575.71 = 1,412.21 : x
2. Step 2: Convert to fraction form
   2,591.16/3,575.71 = 1,412.21/x
3. Step 3: Cross multiply
   2,591.16x = 3,575.71 × 1,412.21
4. Step 4: Simplify right side
   2,591.16x = 5,049,629.36
5. Step 5: Solve for x
   x = 5,049,629.36/2,591.16
6. Step 6: Final answer
   x = 1,948.79