Finding the Fourth Proportional to 3,123.89, 4,683.52 and 1,891.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.89 : 4,683.52 = 1,891.03 : x
2. Step 2: Convert to fraction form
   3,123.89/4,683.52 = 1,891.03/x
3. Step 3: Cross multiply
   3,123.89x = 4,683.52 × 1,891.03
4. Step 4: Simplify right side
   3,123.89x = 8,856,676.83
5. Step 5: Solve for x
   x = 8,856,676.83/3,123.89
6. Step 6: Final answer
   x = 2,835.14