Finding the Fourth Proportional to 33,089.69, 45,658.91 and 19,661.51

Step by Step Solution

1. Step 1: Write the proportion equation
   33,089.69 : 45,658.91 = 19,661.51 : x
2. Step 2: Convert to fraction form
   33,089.69/45,658.91 = 19,661.51/x
3. Step 3: Cross multiply
   33,089.69x = 45,658.91 × 19,661.51
4. Step 4: Simplify right side
   33,089.69x = 897,722,936.41
5. Step 5: Solve for x
   x = 897,722,936.41/33,089.69
6. Step 6: Final answer
   x = 27,129.99