Finding the Fourth Proportional to 1,662.17, 2,294.15 and 954.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.17 : 2,294.15 = 954.12 : x
2. Step 2: Convert to fraction form
   1,662.17/2,294.15 = 954.12/x
3. Step 3: Cross multiply
   1,662.17x = 2,294.15 × 954.12
4. Step 4: Simplify right side
   1,662.17x = 2,188,898.23
5. Step 5: Solve for x
   x = 2,188,898.23/1,662.17
6. Step 6: Final answer
   x = 1,316.90