Finding the Fourth Proportional to 2,307.65, 3,184.56 and 1,259.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.65 : 3,184.56 = 1,259.73 : x
2. Step 2: Convert to fraction form
   2,307.65/3,184.56 = 1,259.73/x
3. Step 3: Cross multiply
   2,307.65x = 3,184.56 × 1,259.73
4. Step 4: Simplify right side
   2,307.65x = 4,011,685.77
5. Step 5: Solve for x
   x = 4,011,685.77/2,307.65
6. Step 6: Final answer
   x = 1,738.43