Finding the Fourth Proportional to 3,061.46, 4,224.74 and 1,664.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.46 : 4,224.74 = 1,664.22 : x
2. Step 2: Convert to fraction form
   3,061.46/4,224.74 = 1,664.22/x
3. Step 3: Cross multiply
   3,061.46x = 4,224.74 × 1,664.22
4. Step 4: Simplify right side
   3,061.46x = 7,030,896.80
5. Step 5: Solve for x
   x = 7,030,896.80/3,061.46
6. Step 6: Final answer
   x = 2,296.58