Finding the Fourth Proportional to 3,019.55, 4,529.10 and 1,264.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.55 : 4,529.10 = 1,264.10 : x
2. Step 2: Convert to fraction form
   3,019.55/4,529.10 = 1,264.10/x
3. Step 3: Cross multiply
   3,019.55x = 4,529.10 × 1,264.10
4. Step 4: Simplify right side
   3,019.55x = 5,725,235.31
5. Step 5: Solve for x
   x = 5,725,235.31/3,019.55
6. Step 6: Final answer
   x = 1,896.06