Finding the Fourth Proportional to 2,002.47, 3,003.32 and 615.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.47 : 3,003.32 = 615.62 : x
2. Step 2: Convert to fraction form
   2,002.47/3,003.32 = 615.62/x
3. Step 3: Cross multiply
   2,002.47x = 3,003.32 × 615.62
4. Step 4: Simplify right side
   2,002.47x = 1,848,885.76
5. Step 5: Solve for x
   x = 1,848,885.76/2,002.47
6. Step 6: Final answer
   x = 923.30