Finding the Fourth Proportional to 2,177.41, 3,003.69 and 1,338.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.41 : 3,003.69 = 1,338.30 : x
2. Step 2: Convert to fraction form
   2,177.41/3,003.69 = 1,338.30/x
3. Step 3: Cross multiply
   2,177.41x = 3,003.69 × 1,338.30
4. Step 4: Simplify right side
   2,177.41x = 4,019,838.33
5. Step 5: Solve for x
   x = 4,019,838.33/2,177.41
6. Step 6: Final answer
   x = 1,846.16