Finding the Fourth Proportional to 2,002.68, 3,003.93 and 615.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.68 : 3,003.93 = 615.96 : x
2. Step 2: Convert to fraction form
   2,002.68/3,003.93 = 615.96/x
3. Step 3: Cross multiply
   2,002.68x = 3,003.93 × 615.96
4. Step 4: Simplify right side
   2,002.68x = 1,850,300.72
5. Step 5: Solve for x
   x = 1,850,300.72/2,002.68
6. Step 6: Final answer
   x = 923.91