Finding the Fourth Proportional to 7,327.45, 10,984.69 and 3,430.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,327.45 : 10,984.69 = 3,430.81 : x
2. Step 2: Convert to fraction form
   7,327.45/10,984.69 = 3,430.81/x
3. Step 3: Cross multiply
   7,327.45x = 10,984.69 × 3,430.81
4. Step 4: Simplify right side
   7,327.45x = 37,686,384.30
5. Step 5: Solve for x
   x = 37,686,384.30/7,327.45
6. Step 6: Final answer
   x = 5,143.18