Finding the Fourth Proportional to 3,123.33, 4,681.36 and 1,271.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.33 : 4,681.36 = 1,271.98 : x
2. Step 2: Convert to fraction form
   3,123.33/4,681.36 = 1,271.98/x
3. Step 3: Cross multiply
   3,123.33x = 4,681.36 × 1,271.98
4. Step 4: Simplify right side
   3,123.33x = 5,954,596.29
5. Step 5: Solve for x
   x = 5,954,596.29/3,123.33
6. Step 6: Final answer
   x = 1,906.49