Finding the Fourth Proportional to 1,662.09, 2,293.91 and 954.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.09 : 2,293.91 = 954.15 : x
2. Step 2: Convert to fraction form
   1,662.09/2,293.91 = 954.15/x
3. Step 3: Cross multiply
   1,662.09x = 2,293.91 × 954.15
4. Step 4: Simplify right side
   1,662.09x = 2,188,729.46
5. Step 5: Solve for x
   x = 2,188,729.46/1,662.09
6. Step 6: Final answer
   x = 1,316.85