Finding the Fourth Proportional to 1,976.69, 2,969.90 and 1,488.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.69 : 2,969.90 = 1,488.26 : x
2. Step 2: Convert to fraction form
   1,976.69/2,969.90 = 1,488.26/x
3. Step 3: Cross multiply
   1,976.69x = 2,969.90 × 1,488.26
4. Step 4: Simplify right side
   1,976.69x = 4,419,983.37
5. Step 5: Solve for x
   x = 4,419,983.37/1,976.69
6. Step 6: Final answer
   x = 2,236.05