Finding the Fourth Proportional to 7,341.61, 10,131.42 and 3,984.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,341.61 : 10,131.42 = 3,984.42 : x
2. Step 2: Convert to fraction form
   7,341.61/10,131.42 = 3,984.42/x
3. Step 3: Cross multiply
   7,341.61x = 10,131.42 × 3,984.42
4. Step 4: Simplify right side
   7,341.61x = 40,367,864.04
5. Step 5: Solve for x
   x = 40,367,864.04/7,341.61
6. Step 6: Final answer
   x = 5,498.51