Finding the Fourth Proportional to 3,061.75, 4,225.22 and 1,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.75 : 4,225.22 = 1,664.50 : x
2. Step 2: Convert to fraction form
   3,061.75/4,225.22 = 1,664.50/x
3. Step 3: Cross multiply
   3,061.75x = 4,225.22 × 1,664.50
4. Step 4: Simplify right side
   3,061.75x = 7,032,878.69
5. Step 5: Solve for x
   x = 7,032,878.69/3,061.75
6. Step 6: Final answer
   x = 2,297.01