Finding the Fourth Proportional to 33,057.42, 45,587.79 and 21,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,057.42 : 45,587.79 = 21,736.50 : x
2. Step 2: Convert to fraction form
   33,057.42/45,587.79 = 21,736.50/x
3. Step 3: Cross multiply
   33,057.42x = 45,587.79 × 21,736.50
4. Step 4: Simplify right side
   33,057.42x = 990,918,997.34
5. Step 5: Solve for x
   x = 990,918,997.34/33,057.42
6. Step 6: Final answer
   x = 29,975.69