Finding the Fourth Proportional to 2,041.57, 3,061.89 and 580.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.57 : 3,061.89 = 580.67 : x
2. Step 2: Convert to fraction form
   2,041.57/3,061.89 = 580.67/x
3. Step 3: Cross multiply
   2,041.57x = 3,061.89 × 580.67
4. Step 4: Simplify right side
   2,041.57x = 1,777,947.67
5. Step 5: Solve for x
   x = 1,777,947.67/2,041.57
6. Step 6: Final answer
   x = 870.87