Finding the Fourth Proportional to 2,591.66, 3,576.38 and 1,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.66 : 3,576.38 = 1,412.72 : x
2. Step 2: Convert to fraction form
   2,591.66/3,576.38 = 1,412.72/x
3. Step 3: Cross multiply
   2,591.66x = 3,576.38 × 1,412.72
4. Step 4: Simplify right side
   2,591.66x = 5,052,423.55
5. Step 5: Solve for x
   x = 5,052,423.55/2,591.66
6. Step 6: Final answer
   x = 1,949.49