Finding the Fourth Proportional to 33,005.16, 45,528.72 and 21,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,005.16 : 45,528.72 = 21,676.50 : x
2. Step 2: Convert to fraction form
   33,005.16/45,528.72 = 21,676.50/x
3. Step 3: Cross multiply
   33,005.16x = 45,528.72 × 21,676.50
4. Step 4: Simplify right side
   33,005.16x = 986,903,299.08
5. Step 5: Solve for x
   x = 986,903,299.08/33,005.16
6. Step 6: Final answer
   x = 29,901.49