Finding the Fourth Proportional to 2,419.46, 3,339.56 and 1,580.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.46 : 3,339.56 = 1,580.29 : x
2. Step 2: Convert to fraction form
   2,419.46/3,339.56 = 1,580.29/x
3. Step 3: Cross multiply
   2,419.46x = 3,339.56 × 1,580.29
4. Step 4: Simplify right side
   2,419.46x = 5,277,468.87
5. Step 5: Solve for x
   x = 5,277,468.87/2,419.46
6. Step 6: Final answer
   x = 2,181.26