Finding the Fourth Proportional to 1,662.22, 2,293.92 and 954.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.22 : 2,293.92 = 954.18 : x
2. Step 2: Convert to fraction form
   1,662.22/2,293.92 = 954.18/x
3. Step 3: Cross multiply
   1,662.22x = 2,293.92 × 954.18
4. Step 4: Simplify right side
   1,662.22x = 2,188,812.59
5. Step 5: Solve for x
   x = 2,188,812.59/1,662.22
6. Step 6: Final answer
   x = 1,316.80