Finding the Fourth Proportional to 1,488.21, 2,228.27 and 1,182.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.21 : 2,228.27 = 1,182.03 : x
2. Step 2: Convert to fraction form
   1,488.21/2,228.27 = 1,182.03/x
3. Step 3: Cross multiply
   1,488.21x = 2,228.27 × 1,182.03
4. Step 4: Simplify right side
   1,488.21x = 2,633,876.08
5. Step 5: Solve for x
   x = 2,633,876.08/1,488.21
6. Step 6: Final answer
   x = 1,769.83