Finding the Fourth Proportional to 21,061.94, 31,582.35 and 7,017.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,061.94 : 31,582.35 = 7,017.03 : x
2. Step 2: Convert to fraction form
   21,061.94/31,582.35 = 7,017.03/x
3. Step 3: Cross multiply
   21,061.94x = 31,582.35 × 7,017.03
4. Step 4: Simplify right side
   21,061.94x = 221,614,297.42
5. Step 5: Solve for x
   x = 221,614,297.42/21,061.94
6. Step 6: Final answer
   x = 10,522.03