Finding the Fourth Proportional to 2,804.42, 4,206.72 and 955.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.42 : 4,206.72 = 955.58 : x
2. Step 2: Convert to fraction form
   2,804.42/4,206.72 = 955.58/x
3. Step 3: Cross multiply
   2,804.42x = 4,206.72 × 955.58
4. Step 4: Simplify right side
   2,804.42x = 4,019,857.50
5. Step 5: Solve for x
   x = 4,019,857.50/2,804.42
6. Step 6: Final answer
   x = 1,433.40