Finding the Fourth Proportional to 2,933.84, 4,397.72 and 985.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.84 : 4,397.72 = 985.38 : x
2. Step 2: Convert to fraction form
   2,933.84/4,397.72 = 985.38/x
3. Step 3: Cross multiply
   2,933.84x = 4,397.72 × 985.38
4. Step 4: Simplify right side
   2,933.84x = 4,333,420.41
5. Step 5: Solve for x
   x = 4,333,420.41/2,933.84
6. Step 6: Final answer
   x = 1,477.05