Finding the Fourth Proportional to 2,009.43, 3,012.32 and 1,488.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.43 : 3,012.32 = 1,488.80 : x
2. Step 2: Convert to fraction form
   2,009.43/3,012.32 = 1,488.80/x
3. Step 3: Cross multiply
   2,009.43x = 3,012.32 × 1,488.80
4. Step 4: Simplify right side
   2,009.43x = 4,484,719.51
5. Step 5: Solve for x
   x = 4,484,719.51/2,009.43
6. Step 6: Final answer
   x = 2,231.84