Finding the Fourth Proportional to 33,103.68, 45,689.72 and 19,672.34

Step by Step Solution

1. Step 1: Write the proportion equation
   33,103.68 : 45,689.72 = 19,672.34 : x
2. Step 2: Convert to fraction form
   33,103.68/45,689.72 = 19,672.34/x
3. Step 3: Cross multiply
   33,103.68x = 45,689.72 × 19,672.34
4. Step 4: Simplify right side
   33,103.68x = 898,823,379.53
5. Step 5: Solve for x
   x = 898,823,379.53/33,103.68
6. Step 6: Final answer
   x = 27,151.77