Finding the Fourth Proportional to 2,003.70, 2,766.09 and 1,554.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.70 : 2,766.09 = 1,554.57 : x
2. Step 2: Convert to fraction form
   2,003.70/2,766.09 = 1,554.57/x
3. Step 3: Cross multiply
   2,003.70x = 2,766.09 × 1,554.57
4. Step 4: Simplify right side
   2,003.70x = 4,300,080.53
5. Step 5: Solve for x
   x = 4,300,080.53/2,003.70
6. Step 6: Final answer
   x = 2,146.07