Finding the Fourth Proportional to 7,341.65, 10,131.56 and 3,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,341.65 : 10,131.56 = 3,984.50 : x
2. Step 2: Convert to fraction form
   7,341.65/10,131.56 = 3,984.50/x
3. Step 3: Cross multiply
   7,341.65x = 10,131.56 × 3,984.50
4. Step 4: Simplify right side
   7,341.65x = 40,369,181.47
5. Step 5: Solve for x
   x = 40,369,181.47/7,341.65
6. Step 6: Final answer
   x = 5,498.65