Finding the Fourth Proportional to 2,429.10, 3,644.28 and 1,259.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.10 : 3,644.28 = 1,259.46 : x
2. Step 2: Convert to fraction form
   2,429.10/3,644.28 = 1,259.46/x
3. Step 3: Cross multiply
   2,429.10x = 3,644.28 × 1,259.46
4. Step 4: Simplify right side
   2,429.10x = 4,589,824.89
5. Step 5: Solve for x
   x = 4,589,824.89/2,429.10
6. Step 6: Final answer
   x = 1,889.52