Finding the Fourth Proportional to 2,012.22, 2,776.94 and 1,173.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.22 : 2,776.94 = 1,173.46 : x
2. Step 2: Convert to fraction form
   2,012.22/2,776.94 = 1,173.46/x
3. Step 3: Cross multiply
   2,012.22x = 2,776.94 × 1,173.46
4. Step 4: Simplify right side
   2,012.22x = 3,258,628.01
5. Step 5: Solve for x
   x = 3,258,628.01/2,012.22
6. Step 6: Final answer
   x = 1,619.42