Finding the Fourth Proportional to 2,051.96, 3,078.56 and 956.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.96 : 3,078.56 = 956.98 : x
2. Step 2: Convert to fraction form
   2,051.96/3,078.56 = 956.98/x
3. Step 3: Cross multiply
   2,051.96x = 3,078.56 × 956.98
4. Step 4: Simplify right side
   2,051.96x = 2,946,120.35
5. Step 5: Solve for x
   x = 2,946,120.35/2,051.96
6. Step 6: Final answer
   x = 1,435.76