Finding the Fourth Proportional to 2,041.18, 3,061.35 and 580.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.18 : 3,061.35 = 580.30 : x
2. Step 2: Convert to fraction form
   2,041.18/3,061.35 = 580.30/x
3. Step 3: Cross multiply
   2,041.18x = 3,061.35 × 580.30
4. Step 4: Simplify right side
   2,041.18x = 1,776,501.41
5. Step 5: Solve for x
   x = 1,776,501.41/2,041.18
6. Step 6: Final answer
   x = 870.33