Finding the Fourth Proportional to 3,510.82, 5,250.73 and 3,123.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.82 : 5,250.73 = 3,123.54 : x
2. Step 2: Convert to fraction form
   3,510.82/5,250.73 = 3,123.54/x
3. Step 3: Cross multiply
   3,510.82x = 5,250.73 × 3,123.54
4. Step 4: Simplify right side
   3,510.82x = 16,400,865.18
5. Step 5: Solve for x
   x = 16,400,865.18/3,510.82
6. Step 6: Final answer
   x = 4,671.52