Finding the Fourth Proportional to 2,307.91, 3,184.92 and 1,259.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.91 : 3,184.92 = 1,259.98 : x
2. Step 2: Convert to fraction form
   2,307.91/3,184.92 = 1,259.98/x
3. Step 3: Cross multiply
   2,307.91x = 3,184.92 × 1,259.98
4. Step 4: Simplify right side
   2,307.91x = 4,012,935.50
5. Step 5: Solve for x
   x = 4,012,935.50/2,307.91
6. Step 6: Final answer
   x = 1,738.77