Finding the Fourth Proportional to 2,002.18, 3,003.18 and 615.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.18 : 3,003.18 = 615.46 : x
2. Step 2: Convert to fraction form
   2,002.18/3,003.18 = 615.46/x
3. Step 3: Cross multiply
   2,002.18x = 3,003.18 × 615.46
4. Step 4: Simplify right side
   2,002.18x = 1,848,337.16
5. Step 5: Solve for x
   x = 1,848,337.16/2,002.18
6. Step 6: Final answer
   x = 923.16