Finding the Fourth Proportional to 2,307.06, 3,183.71 and 1,259.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.06 : 3,183.71 = 1,259.15 : x
2. Step 2: Convert to fraction form
   2,307.06/3,183.71 = 1,259.15/x
3. Step 3: Cross multiply
   2,307.06x = 3,183.71 × 1,259.15
4. Step 4: Simplify right side
   2,307.06x = 4,008,746.23
5. Step 5: Solve for x
   x = 4,008,746.23/2,307.06
6. Step 6: Final answer
   x = 1,737.60