Finding the Fourth Proportional to 3,061.94, 4,225.42 and 1,664.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.94 : 4,225.42 = 1,664.70 : x
2. Step 2: Convert to fraction form
   3,061.94/4,225.42 = 1,664.70/x
3. Step 3: Cross multiply
   3,061.94x = 4,225.42 × 1,664.70
4. Step 4: Simplify right side
   3,061.94x = 7,034,056.67
5. Step 5: Solve for x
   x = 7,034,056.67/3,061.94
6. Step 6: Final answer
   x = 2,297.25