Finding the Fourth Proportional to 2,307.82, 3,184.69 and 1,313.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.82 : 3,184.69 = 1,313.18 : x
2. Step 2: Convert to fraction form
   2,307.82/3,184.69 = 1,313.18/x
3. Step 3: Cross multiply
   2,307.82x = 3,184.69 × 1,313.18
4. Step 4: Simplify right side
   2,307.82x = 4,182,071.21
5. Step 5: Solve for x
   x = 4,182,071.21/2,307.82
6. Step 6: Final answer
   x = 1,812.13