Finding the Fourth Proportional to 2,006.37, 2,768.56 and 1,122.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.37 : 2,768.56 = 1,122.15 : x
2. Step 2: Convert to fraction form
   2,006.37/2,768.56 = 1,122.15/x
3. Step 3: Cross multiply
   2,006.37x = 2,768.56 × 1,122.15
4. Step 4: Simplify right side
   2,006.37x = 3,106,739.60
5. Step 5: Solve for x
   x = 3,106,739.60/2,006.37
6. Step 6: Final answer
   x = 1,548.44