Finding the Fourth Proportional to 2,051.72, 3,077.78 and 956.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.72 : 3,077.78 = 956.39 : x
2. Step 2: Convert to fraction form
   2,051.72/3,077.78 = 956.39/x
3. Step 3: Cross multiply
   2,051.72x = 3,077.78 × 956.39
4. Step 4: Simplify right side
   2,051.72x = 2,943,537.84
5. Step 5: Solve for x
   x = 2,943,537.84/2,051.72
6. Step 6: Final answer
   x = 1,434.67