Finding the Fourth Proportional to 33,099.49, 45,672.20 and 19,665.77

Step by Step Solution

1. Step 1: Write the proportion equation
   33,099.49 : 45,672.20 = 19,665.77 : x
2. Step 2: Convert to fraction form
   33,099.49/45,672.20 = 19,665.77/x
3. Step 3: Cross multiply
   33,099.49x = 45,672.20 × 19,665.77
4. Step 4: Simplify right side
   33,099.49x = 898,178,980.59
5. Step 5: Solve for x
   x = 898,178,980.59/33,099.49
6. Step 6: Final answer
   x = 27,135.73