Finding the Fourth Proportional to 2,627.03, 3,936.90 and 1,326.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.03 : 3,936.90 = 1,326.98 : x
2. Step 2: Convert to fraction form
   2,627.03/3,936.90 = 1,326.98/x
3. Step 3: Cross multiply
   2,627.03x = 3,936.90 × 1,326.98
4. Step 4: Simplify right side
   2,627.03x = 5,224,202.38
5. Step 5: Solve for x
   x = 5,224,202.38/2,627.03
6. Step 6: Final answer
   x = 1,988.63