Finding the Fourth Proportional to 2,308.33, 3,185.76 and 1,313.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.33 : 3,185.76 = 1,313.79 : x
2. Step 2: Convert to fraction form
   2,308.33/3,185.76 = 1,313.79/x
3. Step 3: Cross multiply
   2,308.33x = 3,185.76 × 1,313.79
4. Step 4: Simplify right side
   2,308.33x = 4,185,412.61
5. Step 5: Solve for x
   x = 4,185,412.61/2,308.33
6. Step 6: Final answer
   x = 1,813.18