Finding the Fourth Proportional to 7,014.72, 10,521.98 and 2,017.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,014.72 : 10,521.98 = 2,017.21 : x
2. Step 2: Convert to fraction form
   7,014.72/10,521.98 = 2,017.21/x
3. Step 3: Cross multiply
   7,014.72x = 10,521.98 × 2,017.21
4. Step 4: Simplify right side
   7,014.72x = 21,225,075.12
5. Step 5: Solve for x
   x = 21,225,075.12/7,014.72
6. Step 6: Final answer
   x = 3,025.79