Finding the Fourth Proportional to 5,709.42, 7,877.25 and 3,719.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,709.42 : 7,877.25 = 3,719.25 : x
2. Step 2: Convert to fraction form
   5,709.42/7,877.25 = 3,719.25/x
3. Step 3: Cross multiply
   5,709.42x = 7,877.25 × 3,719.25
4. Step 4: Simplify right side
   5,709.42x = 29,297,462.06
5. Step 5: Solve for x
   x = 29,297,462.06/5,709.42
6. Step 6: Final answer
   x = 5,131.43