Finding the Fourth Proportional to 2,591.39, 3,576.20 and 1,412.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.39 : 3,576.20 = 1,412.55 : x
2. Step 2: Convert to fraction form
   2,591.39/3,576.20 = 1,412.55/x
3. Step 3: Cross multiply
   2,591.39x = 3,576.20 × 1,412.55
4. Step 4: Simplify right side
   2,591.39x = 5,051,561.31
5. Step 5: Solve for x
   x = 5,051,561.31/2,591.39
6. Step 6: Final answer
   x = 1,949.36