Finding the Fourth Proportional to 5,649.03, 7,791.76 and 3,877.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,649.03 : 7,791.76 = 3,877.56 : x
2. Step 2: Convert to fraction form
   5,649.03/7,791.76 = 3,877.56/x
3. Step 3: Cross multiply
   5,649.03x = 7,791.76 × 3,877.56
4. Step 4: Simplify right side
   5,649.03x = 30,213,016.91
5. Step 5: Solve for x
   x = 30,213,016.91/5,649.03
6. Step 6: Final answer
   x = 5,348.35