Finding the Fourth Proportional to 2,309.82, 3,186.76 and 1,314.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.82 : 3,186.76 = 1,314.85 : x
2. Step 2: Convert to fraction form
   2,309.82/3,186.76 = 1,314.85/x
3. Step 3: Cross multiply
   2,309.82x = 3,186.76 × 1,314.85
4. Step 4: Simplify right side
   2,309.82x = 4,190,092.17
5. Step 5: Solve for x
   x = 4,190,092.17/2,309.82
6. Step 6: Final answer
   x = 1,814.04