Finding the Fourth Proportional to 2,748.06, 4,123.43 and 1,286.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.06 : 4,123.43 = 1,286.94 : x
2. Step 2: Convert to fraction form
   2,748.06/4,123.43 = 1,286.94/x
3. Step 3: Cross multiply
   2,748.06x = 4,123.43 × 1,286.94
4. Step 4: Simplify right side
   2,748.06x = 5,306,607.00
5. Step 5: Solve for x
   x = 5,306,607.00/2,748.06
6. Step 6: Final answer
   x = 1,931.04