Finding the Fourth Proportional to 33,009.48, 49,470.42 and 28,606.32

Step by Step Solution

1. Step 1: Write the proportion equation
   33,009.48 : 49,470.42 = 28,606.32 : x
2. Step 2: Convert to fraction form
   33,009.48/49,470.42 = 28,606.32/x
3. Step 3: Cross multiply
   33,009.48x = 49,470.42 × 28,606.32
4. Step 4: Simplify right side
   33,009.48x = 1,415,166,665.05
5. Step 5: Solve for x
   x = 1,415,166,665.05/33,009.48
6. Step 6: Final answer
   x = 42,871.52