Finding the Fourth Proportional to 2,513.87, 3,467.72 and 1,580.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.87 : 3,467.72 = 1,580.75 : x
2. Step 2: Convert to fraction form
   2,513.87/3,467.72 = 1,580.75/x
3. Step 3: Cross multiply
   2,513.87x = 3,467.72 × 1,580.75
4. Step 4: Simplify right side
   2,513.87x = 5,481,590.49
5. Step 5: Solve for x
   x = 5,481,590.49/2,513.87
6. Step 6: Final answer
   x = 2,180.54