Finding the Fourth Proportional to 33,290.52, 45,945 and 21,349.44

Step by Step Solution

1. Step 1: Write the proportion equation
   33,290.52 : 45,945 = 21,349.44 : x
2. Step 2: Convert to fraction form
   33,290.52/45,945 = 21,349.44/x
3. Step 3: Cross multiply
   33,290.52x = 45,945 × 21,349.44
4. Step 4: Simplify right side
   33,290.52x = 980,900,020.80
5. Step 5: Solve for x
   x = 980,900,020.80/33,290.52
6. Step 6: Final answer
   x = 29,464.85