Finding the Fourth Proportional to 2,105.60, 3,158.37 and 951.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.60 : 3,158.37 = 951.35 : x
2. Step 2: Convert to fraction form
   2,105.60/3,158.37 = 951.35/x
3. Step 3: Cross multiply
   2,105.60x = 3,158.37 × 951.35
4. Step 4: Simplify right side
   2,105.60x = 3,004,699.51
5. Step 5: Solve for x
   x = 3,004,699.51/2,105.60
6. Step 6: Final answer
   x = 1,427.01