Finding the Fourth Proportional to 33,016.01, 45,511.70 and 20,245.55

Step by Step Solution

1. Step 1: Write the proportion equation
   33,016.01 : 45,511.70 = 20,245.55 : x
2. Step 2: Convert to fraction form
   33,016.01/45,511.70 = 20,245.55/x
3. Step 3: Cross multiply
   33,016.01x = 45,511.70 × 20,245.55
4. Step 4: Simplify right side
   33,016.01x = 921,409,069.15
5. Step 5: Solve for x
   x = 921,409,069.15/33,016.01
6. Step 6: Final answer
   x = 27,907.95