Finding the Fourth Proportional to 2,106.40, 3,155.76 and 951.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.40 : 3,155.76 = 951.52 : x
2. Step 2: Convert to fraction form
   2,106.40/3,155.76 = 951.52/x
3. Step 3: Cross multiply
   2,106.40x = 3,155.76 × 951.52
4. Step 4: Simplify right side
   2,106.40x = 3,002,768.76
5. Step 5: Solve for x
   x = 3,002,768.76/2,106.40
6. Step 6: Final answer
   x = 1,425.55