Finding the Fourth Proportional to 33,099.99, 45,678.54 and 18,952.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,099.99 : 45,678.54 = 18,952.72 : x
2. Step 2: Convert to fraction form
   33,099.99/45,678.54 = 18,952.72/x
3. Step 3: Cross multiply
   33,099.99x = 45,678.54 × 18,952.72
4. Step 4: Simplify right side
   33,099.99x = 865,732,578.63
5. Step 5: Solve for x
   x = 865,732,578.63/33,099.99
6. Step 6: Final answer
   x = 26,155.07