Finding the Fourth Proportional to 2,002.25, 3,003.71 and 615.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.25 : 3,003.71 = 615.54 : x
2. Step 2: Convert to fraction form
   2,002.25/3,003.71 = 615.54/x
3. Step 3: Cross multiply
   2,002.25x = 3,003.71 × 615.54
4. Step 4: Simplify right side
   2,002.25x = 1,848,900.58
5. Step 5: Solve for x
   x = 1,848,900.58/2,002.25
6. Step 6: Final answer
   x = 923.41