Finding the Fourth Proportional to 33,099.30, 45,672.53 and 19,665.65

Step by Step Solution

1. Step 1: Write the proportion equation
   33,099.30 : 45,672.53 = 19,665.65 : x
2. Step 2: Convert to fraction form
   33,099.30/45,672.53 = 19,665.65/x
3. Step 3: Cross multiply
   33,099.30x = 45,672.53 × 19,665.65
4. Step 4: Simplify right side
   33,099.30x = 898,180,005.45
5. Step 5: Solve for x
   x = 898,180,005.45/33,099.30
6. Step 6: Final answer
   x = 27,135.92