Finding the Fourth Proportional to 2,307.83, 3,184.79 and 1,259.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.83 : 3,184.79 = 1,259.89 : x
2. Step 2: Convert to fraction form
   2,307.83/3,184.79 = 1,259.89/x
3. Step 3: Cross multiply
   2,307.83x = 3,184.79 × 1,259.89
4. Step 4: Simplify right side
   2,307.83x = 4,012,470.81
5. Step 5: Solve for x
   x = 4,012,470.81/2,307.83
6. Step 6: Final answer
   x = 1,738.64