Finding the Fourth Proportional to 2,109.10, 3,164.18 and 954.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.10 : 3,164.18 = 954.54 : x
2. Step 2: Convert to fraction form
   2,109.10/3,164.18 = 954.54/x
3. Step 3: Cross multiply
   2,109.10x = 3,164.18 × 954.54
4. Step 4: Simplify right side
   2,109.10x = 3,020,336.38
5. Step 5: Solve for x
   x = 3,020,336.38/2,109.10
6. Step 6: Final answer
   x = 1,432.05