Finding the Fourth Proportional to 2,307.90, 3,184.89 and 1,259.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.90 : 3,184.89 = 1,259.97 : x
2. Step 2: Convert to fraction form
   2,307.90/3,184.89 = 1,259.97/x
3. Step 3: Cross multiply
   2,307.90x = 3,184.89 × 1,259.97
4. Step 4: Simplify right side
   2,307.90x = 4,012,856.48
5. Step 5: Solve for x
   x = 4,012,856.48/2,307.90
6. Step 6: Final answer
   x = 1,738.74