Finding the Fourth Proportional to 33,581.50, 46,335.18 and 21,642.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,581.50 : 46,335.18 = 21,642.10 : x
2. Step 2: Convert to fraction form
   33,581.50/46,335.18 = 21,642.10/x
3. Step 3: Cross multiply
   33,581.50x = 46,335.18 × 21,642.10
4. Step 4: Simplify right side
   33,581.50x = 1,002,790,599.08
5. Step 5: Solve for x
   x = 1,002,790,599.08/33,581.50
6. Step 6: Final answer
   x = 29,861.40