Finding the Fourth Proportional to 2,300.60, 3,171.23 and 2,109.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.60 : 3,171.23 = 2,109.92 : x
2. Step 2: Convert to fraction form
   2,300.60/3,171.23 = 2,109.92/x
3. Step 3: Cross multiply
   2,300.60x = 3,171.23 × 2,109.92
4. Step 4: Simplify right side
   2,300.60x = 6,691,043.93
5. Step 5: Solve for x
   x = 6,691,043.93/2,300.60
6. Step 6: Final answer
   x = 2,908.39