Finding the Fourth Proportional to 7,018.02, 9,684.72 and 3,874.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.02 : 9,684.72 = 3,874.14 : x
2. Step 2: Convert to fraction form
   7,018.02/9,684.72 = 3,874.14/x
3. Step 3: Cross multiply
   7,018.02x = 9,684.72 × 3,874.14
4. Step 4: Simplify right side
   7,018.02x = 37,519,961.14
5. Step 5: Solve for x
   x = 37,519,961.14/7,018.02
6. Step 6: Final answer
   x = 5,346.23