Finding the Fourth Proportional to 2,933.78, 4,403.10 and 1,291.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.78 : 4,403.10 = 1,291.10 : x
2. Step 2: Convert to fraction form
   2,933.78/4,403.10 = 1,291.10/x
3. Step 3: Cross multiply
   2,933.78x = 4,403.10 × 1,291.10
4. Step 4: Simplify right side
   2,933.78x = 5,684,842.41
5. Step 5: Solve for x
   x = 5,684,842.41/2,933.78
6. Step 6: Final answer
   x = 1,937.72