Finding the Fourth Proportional to 1,259.15, 1,737.81 and 1,049.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.15 : 1,737.81 = 1,049.03 : x
2. Step 2: Convert to fraction form
   1,259.15/1,737.81 = 1,049.03/x
3. Step 3: Cross multiply
   1,259.15x = 1,737.81 × 1,049.03
4. Step 4: Simplify right side
   1,259.15x = 1,823,014.82
5. Step 5: Solve for x
   x = 1,823,014.82/1,259.15
6. Step 6: Final answer
   x = 1,447.81