Finding the Fourth Proportional to 2,666.94, 3,680.39 and 1,488.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.94 : 3,680.39 = 1,488.08 : x
2. Step 2: Convert to fraction form
   2,666.94/3,680.39 = 1,488.08/x
3. Step 3: Cross multiply
   2,666.94x = 3,680.39 × 1,488.08
4. Step 4: Simplify right side
   2,666.94x = 5,476,714.75
5. Step 5: Solve for x
   x = 5,476,714.75/2,666.94
6. Step 6: Final answer
   x = 2,053.56