Finding the Fourth Proportional to 2,602.42, 3,903.59 and 628.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.42 : 3,903.59 = 628.03 : x
2. Step 2: Convert to fraction form
   2,602.42/3,903.59 = 628.03/x
3. Step 3: Cross multiply
   2,602.42x = 3,903.59 × 628.03
4. Step 4: Simplify right side
   2,602.42x = 2,451,575.33
5. Step 5: Solve for x
   x = 2,451,575.33/2,602.42
6. Step 6: Final answer
   x = 942.04