Finding the Fourth Proportional to 33,235, 45,864.42 and 20,659.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,235 : 45,864.42 = 20,659.72 : x
2. Step 2: Convert to fraction form
   33,235/45,864.42 = 20,659.72/x
3. Step 3: Cross multiply
   33,235x = 45,864.42 × 20,659.72
4. Step 4: Simplify right side
   33,235x = 947,546,075.16
5. Step 5: Solve for x
   x = 947,546,075.16/33,235
6. Step 6: Final answer
   x = 28,510.49