Finding the Fourth Proportional to 80,607.48, 120,911.04 and 21,443.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,607.48 : 120,911.04 = 21,443.16 : x
2. Step 2: Convert to fraction form
   80,607.48/120,911.04 = 21,443.16/x
3. Step 3: Cross multiply
   80,607.48x = 120,911.04 × 21,443.16
4. Step 4: Simplify right side
   80,607.48x = 2,592,714,776.49
5. Step 5: Solve for x
   x = 2,592,714,776.49/80,607.48
6. Step 6: Final answer
   x = 32,164.69