Finding the Fourth Proportional to 2,307.32, 3,184.16 and 1,259.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.32 : 3,184.16 = 1,259.40 : x
2. Step 2: Convert to fraction form
   2,307.32/3,184.16 = 1,259.40/x
3. Step 3: Cross multiply
   2,307.32x = 3,184.16 × 1,259.40
4. Step 4: Simplify right side
   2,307.32x = 4,010,131.10
5. Step 5: Solve for x
   x = 4,010,131.10/2,307.32
6. Step 6: Final answer
   x = 1,738.00