Finding the Fourth Proportional to 5,627.10, 7,764.73 and 3,109.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,627.10 : 7,764.73 = 3,109.06 : x
2. Step 2: Convert to fraction form
   5,627.10/7,764.73 = 3,109.06/x
3. Step 3: Cross multiply
   5,627.10x = 7,764.73 × 3,109.06
4. Step 4: Simplify right side
   5,627.10x = 24,140,984.27
5. Step 5: Solve for x
   x = 24,140,984.27/5,627.10
6. Step 6: Final answer
   x = 4,290.13