Finding the Fourth Proportional to 2,307.59, 3,184.46 and 1,259.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.59 : 3,184.46 = 1,259.65 : x
2. Step 2: Convert to fraction form
   2,307.59/3,184.46 = 1,259.65/x
3. Step 3: Cross multiply
   2,307.59x = 3,184.46 × 1,259.65
4. Step 4: Simplify right side
   2,307.59x = 4,011,300.23
5. Step 5: Solve for x
   x = 4,011,300.23/2,307.59
6. Step 6: Final answer
   x = 1,738.31