Finding the Fourth Proportional to 2,892.96, 4,339.17 and 945.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.96 : 4,339.17 = 945.18 : x
2. Step 2: Convert to fraction form
   2,892.96/4,339.17 = 945.18/x
3. Step 3: Cross multiply
   2,892.96x = 4,339.17 × 945.18
4. Step 4: Simplify right side
   2,892.96x = 4,101,296.70
5. Step 5: Solve for x
   x = 4,101,296.70/2,892.96
6. Step 6: Final answer
   x = 1,417.68