Finding the Fourth Proportional to 3,061.98, 4,225.57 and 1,664.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.98 : 4,225.57 = 1,664.76 : x
2. Step 2: Convert to fraction form
   3,061.98/4,225.57 = 1,664.76/x
3. Step 3: Cross multiply
   3,061.98x = 4,225.57 × 1,664.76
4. Step 4: Simplify right side
   3,061.98x = 7,034,559.91
5. Step 5: Solve for x
   x = 7,034,559.91/3,061.98
6. Step 6: Final answer
   x = 2,297.39