Finding the Fourth Proportional to 7,003.68, 10,505.16 and 3,540.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.68 : 10,505.16 = 3,540.84 : x
2. Step 2: Convert to fraction form
   7,003.68/10,505.16 = 3,540.84/x
3. Step 3: Cross multiply
   7,003.68x = 10,505.16 × 3,540.84
4. Step 4: Simplify right side
   7,003.68x = 37,197,090.73
5. Step 5: Solve for x
   x = 37,197,090.73/7,003.68
6. Step 6: Final answer
   x = 5,311.08