Finding the Fourth Proportional to 1,416.17, 1,952.73 and 918.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.17 : 1,952.73 = 918.15 : x
2. Step 2: Convert to fraction form
   1,416.17/1,952.73 = 918.15/x
3. Step 3: Cross multiply
   1,416.17x = 1,952.73 × 918.15
4. Step 4: Simplify right side
   1,416.17x = 1,792,899.05
5. Step 5: Solve for x
   x = 1,792,899.05/1,416.17
6. Step 6: Final answer
   x = 1,266.02