Finding the Fourth Proportional to 33,306.03, 45,970.72 and 21,390.14

Step by Step Solution

1. Step 1: Write the proportion equation
   33,306.03 : 45,970.72 = 21,390.14 : x
2. Step 2: Convert to fraction form
   33,306.03/45,970.72 = 21,390.14/x
3. Step 3: Cross multiply
   33,306.03x = 45,970.72 × 21,390.14
4. Step 4: Simplify right side
   33,306.03x = 983,320,198.15
5. Step 5: Solve for x
   x = 983,320,198.15/33,306.03
6. Step 6: Final answer
   x = 29,523.79