Finding the Fourth Proportional to 33,042.69, 49,529.25 and 21,043.96

Step by Step Solution

1. Step 1: Write the proportion equation
   33,042.69 : 49,529.25 = 21,043.96 : x
2. Step 2: Convert to fraction form
   33,042.69/49,529.25 = 21,043.96/x
3. Step 3: Cross multiply
   33,042.69x = 49,529.25 × 21,043.96
4. Step 4: Simplify right side
   33,042.69x = 1,042,291,432.01
5. Step 5: Solve for x
   x = 1,042,291,432.01/33,042.69
6. Step 6: Final answer
   x = 31,543.78