Finding the Fourth Proportional to 32,989.48, 45,563.32 and 21,709.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,989.48 : 45,563.32 = 21,709.34 : x
2. Step 2: Convert to fraction form
   32,989.48/45,563.32 = 21,709.34/x
3. Step 3: Cross multiply
   32,989.48x = 45,563.32 × 21,709.34
4. Step 4: Simplify right side
   32,989.48x = 989,149,491.50
5. Step 5: Solve for x
   x = 989,149,491.50/32,989.48
6. Step 6: Final answer
   x = 29,983.78