Finding the Fourth Proportional to 33,090.69, 45,660.29 and 19,662.51

Step by Step Solution

1. Step 1: Write the proportion equation
   33,090.69 : 45,660.29 = 19,662.51 : x
2. Step 2: Convert to fraction form
   33,090.69/45,660.29 = 19,662.51/x
3. Step 3: Cross multiply
   33,090.69x = 45,660.29 × 19,662.51
4. Step 4: Simplify right side
   33,090.69x = 897,795,908.73
5. Step 5: Solve for x
   x = 897,795,908.73/33,090.69
6. Step 6: Final answer
   x = 27,131.37