Finding the Fourth Proportional to 7,018.82, 10,526.18 and 3,900.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.82 : 10,526.18 = 3,900.42 : x
2. Step 2: Convert to fraction form
   7,018.82/10,526.18 = 3,900.42/x
3. Step 3: Cross multiply
   7,018.82x = 10,526.18 × 3,900.42
4. Step 4: Simplify right side
   7,018.82x = 41,056,523.00
5. Step 5: Solve for x
   x = 41,056,523.00/7,018.82
6. Step 6: Final answer
   x = 5,849.49