Finding the Fourth Proportional to 4,456.38, 6,670.56 and 3,061.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,456.38 : 6,670.56 = 3,061.56 : x
2. Step 2: Convert to fraction form
   4,456.38/6,670.56 = 3,061.56/x
3. Step 3: Cross multiply
   4,456.38x = 6,670.56 × 3,061.56
4. Step 4: Simplify right side
   4,456.38x = 20,422,319.67
5. Step 5: Solve for x
   x = 20,422,319.67/4,456.38
6. Step 6: Final answer
   x = 4,582.72