Finding the Fourth Proportional to 33,009.98, 45,549.68 and 21,080.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,009.98 : 45,549.68 = 21,080.30 : x
2. Step 2: Convert to fraction form
   33,009.98/45,549.68 = 21,080.30/x
3. Step 3: Cross multiply
   33,009.98x = 45,549.68 × 21,080.30
4. Step 4: Simplify right side
   33,009.98x = 960,200,919.30
5. Step 5: Solve for x
   x = 960,200,919.30/33,009.98
6. Step 6: Final answer
   x = 29,088.20