Finding the Fourth Proportional to 2,933.93, 4,397.90 and 1,290.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.93 : 4,397.90 = 1,290.17 : x
2. Step 2: Convert to fraction form
   2,933.93/4,397.90 = 1,290.17/x
3. Step 3: Cross multiply
   2,933.93x = 4,397.90 × 1,290.17
4. Step 4: Simplify right side
   2,933.93x = 5,674,043.19
5. Step 5: Solve for x
   x = 5,674,043.19/2,933.93
6. Step 6: Final answer
   x = 1,933.94