Finding the Fourth Proportional to 2,796.38, 4,188.16 and 1,336.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.38 : 4,188.16 = 1,336.56 : x
2. Step 2: Convert to fraction form
   2,796.38/4,188.16 = 1,336.56/x
3. Step 3: Cross multiply
   2,796.38x = 4,188.16 × 1,336.56
4. Step 4: Simplify right side
   2,796.38x = 5,597,727.13
5. Step 5: Solve for x
   x = 5,597,727.13/2,796.38
6. Step 6: Final answer
   x = 2,001.78