Finding the Fourth Proportional to 2,796.32, 4,191.39 and 1,408.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.32 : 4,191.39 = 1,408.76 : x
2. Step 2: Convert to fraction form
   2,796.32/4,191.39 = 1,408.76/x
3. Step 3: Cross multiply
   2,796.32x = 4,191.39 × 1,408.76
4. Step 4: Simplify right side
   2,796.32x = 5,904,662.58
5. Step 5: Solve for x
   x = 5,904,662.58/2,796.32
6. Step 6: Final answer
   x = 2,111.58