Finding the Fourth Proportional to 5,627.93, 7,766.39 and 3,109.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,627.93 : 7,766.39 = 3,109.86 : x
2. Step 2: Convert to fraction form
   5,627.93/7,766.39 = 3,109.86/x
3. Step 3: Cross multiply
   5,627.93x = 7,766.39 × 3,109.86
4. Step 4: Simplify right side
   5,627.93x = 24,152,393.38
5. Step 5: Solve for x
   x = 24,152,393.38/5,627.93
6. Step 6: Final answer
   x = 4,291.53