Finding the Fourth Proportional to 2,933.02, 4,394.67 and 1,287.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.02 : 4,394.67 = 1,287.10 : x
2. Step 2: Convert to fraction form
   2,933.02/4,394.67 = 1,287.10/x
3. Step 3: Cross multiply
   2,933.02x = 4,394.67 × 1,287.10
4. Step 4: Simplify right side
   2,933.02x = 5,656,379.76
5. Step 5: Solve for x
   x = 5,656,379.76/2,933.02
6. Step 6: Final answer
   x = 1,928.52