Finding the Fourth Proportional to 2,002.43, 3,004.10 and 615.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.43 : 3,004.10 = 615.89 : x
2. Step 2: Convert to fraction form
   2,002.43/3,004.10 = 615.89/x
3. Step 3: Cross multiply
   2,002.43x = 3,004.10 × 615.89
4. Step 4: Simplify right side
   2,002.43x = 1,850,199.58
5. Step 5: Solve for x
   x = 1,850,199.58/2,002.43
6. Step 6: Final answer
   x = 923.98