Finding the Fourth Proportional to 2,599.05, 3,896.15 and 955.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.05 : 3,896.15 = 955.16 : x
2. Step 2: Convert to fraction form
   2,599.05/3,896.15 = 955.16/x
3. Step 3: Cross multiply
   2,599.05x = 3,896.15 × 955.16
4. Step 4: Simplify right side
   2,599.05x = 3,721,440.57
5. Step 5: Solve for x
   x = 3,721,440.57/2,599.05
6. Step 6: Final answer
   x = 1,431.84