Finding the Fourth Proportional to 2,122.69, 3,179.94 and 1,770.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122.69 : 3,179.94 = 1,770.04 : x
2. Step 2: Convert to fraction form
   2,122.69/3,179.94 = 1,770.04/x
3. Step 3: Cross multiply
   2,122.69x = 3,179.94 × 1,770.04
4. Step 4: Simplify right side
   2,122.69x = 5,628,621.00
5. Step 5: Solve for x
   x = 5,628,621.00/2,122.69
6. Step 6: Final answer
   x = 2,651.65