Finding the Fourth Proportional to 2,892.96, 4,338.99 and 945.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.96 : 4,338.99 = 945.15 : x
2. Step 2: Convert to fraction form
   2,892.96/4,338.99 = 945.15/x
3. Step 3: Cross multiply
   2,892.96x = 4,338.99 × 945.15
4. Step 4: Simplify right side
   2,892.96x = 4,100,996.40
5. Step 5: Solve for x
   x = 4,100,996.40/2,892.96
6. Step 6: Final answer
   x = 1,417.58