Finding the Fourth Proportional to 2,685.96, 4,028.27 and 954.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.96 : 4,028.27 = 954.59 : x
2. Step 2: Convert to fraction form
   2,685.96/4,028.27 = 954.59/x
3. Step 3: Cross multiply
   2,685.96x = 4,028.27 × 954.59
4. Step 4: Simplify right side
   2,685.96x = 3,845,321.35
5. Step 5: Solve for x
   x = 3,845,321.35/2,685.96
6. Step 6: Final answer
   x = 1,431.64