Finding the Fourth Proportional to 7,341.89, 10,131.78 and 3,984.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,341.89 : 10,131.78 = 3,984.71 : x
2. Step 2: Convert to fraction form
   7,341.89/10,131.78 = 3,984.71/x
3. Step 3: Cross multiply
   7,341.89x = 10,131.78 × 3,984.71
4. Step 4: Simplify right side
   7,341.89x = 40,372,154.42
5. Step 5: Solve for x
   x = 40,372,154.42/7,341.89
6. Step 6: Final answer
   x = 5,498.88