Finding the Fourth Proportional to 2,768.18, 4,150.01 and 1,288.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.18 : 4,150.01 = 1,288.33 : x
2. Step 2: Convert to fraction form
   2,768.18/4,150.01 = 1,288.33/x
3. Step 3: Cross multiply
   2,768.18x = 4,150.01 × 1,288.33
4. Step 4: Simplify right side
   2,768.18x = 5,346,561.63
5. Step 5: Solve for x
   x = 5,346,561.63/2,768.18
6. Step 6: Final answer
   x = 1,931.43