Finding the Fourth Proportional to 2,892.78, 4,338.81 and 944.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.78 : 4,338.81 = 944.82 : x
2. Step 2: Convert to fraction form
   2,892.78/4,338.81 = 944.82/x
3. Step 3: Cross multiply
   2,892.78x = 4,338.81 × 944.82
4. Step 4: Simplify right side
   2,892.78x = 4,099,394.46
5. Step 5: Solve for x
   x = 4,099,394.46/2,892.78
6. Step 6: Final answer
   x = 1,417.11