Finding the Fourth Proportional to 3,061.43, 4,224.80 and 1,664.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.43 : 4,224.80 = 1,664.18 : x
2. Step 2: Convert to fraction form
   3,061.43/4,224.80 = 1,664.18/x
3. Step 3: Cross multiply
   3,061.43x = 4,224.80 × 1,664.18
4. Step 4: Simplify right side
   3,061.43x = 7,030,819.34
5. Step 5: Solve for x
   x = 7,030,819.34/3,061.43
6. Step 6: Final answer
   x = 2,296.58