Finding the Fourth Proportional to 3,763.56, 5,644.50 and 1,298.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763.56 : 5,644.50 = 1,298.28 : x
2. Step 2: Convert to fraction form
   3,763.56/5,644.50 = 1,298.28/x
3. Step 3: Cross multiply
   3,763.56x = 5,644.50 × 1,298.28
4. Step 4: Simplify right side
   3,763.56x = 7,328,141.46
5. Step 5: Solve for x
   x = 7,328,141.46/3,763.56
6. Step 6: Final answer
   x = 1,947.13