Finding the Fourth Proportional to 2,017.69, 3,026.25 and 630.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.69 : 3,026.25 = 630.70 : x
2. Step 2: Convert to fraction form
   2,017.69/3,026.25 = 630.70/x
3. Step 3: Cross multiply
   2,017.69x = 3,026.25 × 630.70
4. Step 4: Simplify right side
   2,017.69x = 1,908,655.88
5. Step 5: Solve for x
   x = 1,908,655.88/2,017.69
6. Step 6: Final answer
   x = 945.96