Finding the Fourth Proportional to 2,076.72, 3,108.84 and 1,346.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.72 : 3,108.84 = 1,346.64 : x
2. Step 2: Convert to fraction form
   2,076.72/3,108.84 = 1,346.64/x
3. Step 3: Cross multiply
   2,076.72x = 3,108.84 × 1,346.64
4. Step 4: Simplify right side
   2,076.72x = 4,186,488.30
5. Step 5: Solve for x
   x = 4,186,488.30/2,076.72
6. Step 6: Final answer
   x = 2,015.91