Finding the Fourth Proportional to 21,829.43, 32,744.94 and 7,038.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,829.43 : 32,744.94 = 7,038.56 : x
2. Step 2: Convert to fraction form
   21,829.43/32,744.94 = 7,038.56/x
3. Step 3: Cross multiply
   21,829.43x = 32,744.94 × 7,038.56
4. Step 4: Simplify right side
   21,829.43x = 230,477,061.16
5. Step 5: Solve for x
   x = 230,477,061.16/21,829.43
6. Step 6: Final answer
   x = 10,558.09