Finding the Fourth Proportional to 2,796.45, 4,192.24 and 1,408.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.45 : 4,192.24 = 1,408.61 : x
2. Step 2: Convert to fraction form
   2,796.45/4,192.24 = 1,408.61/x
3. Step 3: Cross multiply
   2,796.45x = 4,192.24 × 1,408.61
4. Step 4: Simplify right side
   2,796.45x = 5,905,231.19
5. Step 5: Solve for x
   x = 5,905,231.19/2,796.45
6. Step 6: Final answer
   x = 2,111.69