Finding the Fourth Proportional to 2,308.85, 3,185.98 and 1,314.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.85 : 3,185.98 = 1,314.07 : x
2. Step 2: Convert to fraction form
   2,308.85/3,185.98 = 1,314.07/x
3. Step 3: Cross multiply
   2,308.85x = 3,185.98 × 1,314.07
4. Step 4: Simplify right side
   2,308.85x = 4,186,600.74
5. Step 5: Solve for x
   x = 4,186,600.74/2,308.85
6. Step 6: Final answer
   x = 1,813.28