Finding the Fourth Proportional to 2,712.35, 4,068.86 and 956.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.35 : 4,068.86 = 956.94 : x
2. Step 2: Convert to fraction form
   2,712.35/4,068.86 = 956.94/x
3. Step 3: Cross multiply
   2,712.35x = 4,068.86 × 956.94
4. Step 4: Simplify right side
   2,712.35x = 3,893,654.89
5. Step 5: Solve for x
   x = 3,893,654.89/2,712.35
6. Step 6: Final answer
   x = 1,435.53