Finding the Fourth Proportional to 7,017.89, 9,684.43 and 3,874.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017.89 : 9,684.43 = 3,874.01 : x
2. Step 2: Convert to fraction form
   7,017.89/9,684.43 = 3,874.01/x
3. Step 3: Cross multiply
   7,017.89x = 9,684.43 × 3,874.01
4. Step 4: Simplify right side
   7,017.89x = 37,517,520.56
5. Step 5: Solve for x
   x = 37,517,520.56/7,017.89
6. Step 6: Final answer
   x = 5,345.99