Finding the Fourth Proportional to 3,061.23, 4,590.78 and 1,306.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.23 : 4,590.78 = 1,306.16 : x
2. Step 2: Convert to fraction form
   3,061.23/4,590.78 = 1,306.16/x
3. Step 3: Cross multiply
   3,061.23x = 4,590.78 × 1,306.16
4. Step 4: Simplify right side
   3,061.23x = 5,996,282.57
5. Step 5: Solve for x
   x = 5,996,282.57/3,061.23
6. Step 6: Final answer
   x = 1,958.78