Finding the Fourth Proportional to 2,109.42, 2,910.60 and 1,364.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.42 : 2,910.60 = 1,364.31 : x
2. Step 2: Convert to fraction form
   2,109.42/2,910.60 = 1,364.31/x
3. Step 3: Cross multiply
   2,109.42x = 2,910.60 × 1,364.31
4. Step 4: Simplify right side
   2,109.42x = 3,970,960.69
5. Step 5: Solve for x
   x = 3,970,960.69/2,109.42
6. Step 6: Final answer
   x = 1,882.49