Finding the Fourth Proportional to 7,018.34, 9,685.32 and 3,874.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.34 : 9,685.32 = 3,874.53 : x
2. Step 2: Convert to fraction form
   7,018.34/9,685.32 = 3,874.53/x
3. Step 3: Cross multiply
   7,018.34x = 9,685.32 × 3,874.53
4. Step 4: Simplify right side
   7,018.34x = 37,526,062.90
5. Step 5: Solve for x
   x = 37,526,062.90/7,018.34
6. Step 6: Final answer
   x = 5,346.86