Finding the Fourth Proportional to 53,581.98, 80,354.50 and 21,983.12

Step by Step Solution

1. Step 1: Write the proportion equation
   53,581.98 : 80,354.50 = 21,983.12 : x
2. Step 2: Convert to fraction form
   53,581.98/80,354.50 = 21,983.12/x
3. Step 3: Cross multiply
   53,581.98x = 80,354.50 × 21,983.12
4. Step 4: Simplify right side
   53,581.98x = 1,766,442,616.04
5. Step 5: Solve for x
   x = 1,766,442,616.04/53,581.98
6. Step 6: Final answer
   x = 32,967.10