Finding the Fourth Proportional to 2,308.93, 3,186.47 and 1,314.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.93 : 3,186.47 = 1,314.40 : x
2. Step 2: Convert to fraction form
   2,308.93/3,186.47 = 1,314.40/x
3. Step 3: Cross multiply
   2,308.93x = 3,186.47 × 1,314.40
4. Step 4: Simplify right side
   2,308.93x = 4,188,296.17
5. Step 5: Solve for x
   x = 4,188,296.17/2,308.93
6. Step 6: Final answer
   x = 1,813.96