Finding the Fourth Proportional to 2,002.27, 3,002.48 and 615.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.27 : 3,002.48 = 615.12 : x
2. Step 2: Convert to fraction form
   2,002.27/3,002.48 = 615.12/x
3. Step 3: Cross multiply
   2,002.27x = 3,002.48 × 615.12
4. Step 4: Simplify right side
   2,002.27x = 1,846,885.50
5. Step 5: Solve for x
   x = 1,846,885.50/2,002.27
6. Step 6: Final answer
   x = 922.40