Finding the Fourth Proportional to 33,055.92, 45,585.72 and 21,735

Step by Step Solution

1. Step 1: Write the proportion equation
   33,055.92 : 45,585.72 = 21,735 : x
2. Step 2: Convert to fraction form
   33,055.92/45,585.72 = 21,735/x
3. Step 3: Cross multiply
   33,055.92x = 45,585.72 × 21,735
4. Step 4: Simplify right side
   33,055.92x = 990,805,624.20
5. Step 5: Solve for x
   x = 990,805,624.20/33,055.92
6. Step 6: Final answer
   x = 29,973.62