Finding the Fourth Proportional to 2,108.69, 3,162.30 and 627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.69 : 3,162.30 = 627.50 : x
2. Step 2: Convert to fraction form
   2,108.69/3,162.30 = 627.50/x
3. Step 3: Cross multiply
   2,108.69x = 3,162.30 × 627.50
4. Step 4: Simplify right side
   2,108.69x = 1,984,343.25
5. Step 5: Solve for x
   x = 1,984,343.25/2,108.69
6. Step 6: Final answer
   x = 941.03