Finding the Fourth Proportional to 2,676.68, 4,009.18 and 1,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.68 : 4,009.18 = 1,111.94 : x
2. Step 2: Convert to fraction form
   2,676.68/4,009.18 = 1,111.94/x
3. Step 3: Cross multiply
   2,676.68x = 4,009.18 × 1,111.94
4. Step 4: Simplify right side
   2,676.68x = 4,457,973.78
5. Step 5: Solve for x
   x = 4,457,973.78/2,676.68
6. Step 6: Final answer
   x = 1,665.48