Finding the Fourth Proportional to 3,061.39, 4,224.72 and 1,664.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.39 : 4,224.72 = 1,664.14 : x
2. Step 2: Convert to fraction form
   3,061.39/4,224.72 = 1,664.14/x
3. Step 3: Cross multiply
   3,061.39x = 4,224.72 × 1,664.14
4. Step 4: Simplify right side
   3,061.39x = 7,030,525.54
5. Step 5: Solve for x
   x = 7,030,525.54/3,061.39
6. Step 6: Final answer
   x = 2,296.51