Finding the Fourth Proportional to 33,123.33, 45,720.09 and 18,985.59

Step by Step Solution

1. Step 1: Write the proportion equation
   33,123.33 : 45,720.09 = 18,985.59 : x
2. Step 2: Convert to fraction form
   33,123.33/45,720.09 = 18,985.59/x
3. Step 3: Cross multiply
   33,123.33x = 45,720.09 × 18,985.59
4. Step 4: Simplify right side
   33,123.33x = 868,022,883.50
5. Step 5: Solve for x
   x = 868,022,883.50/33,123.33
6. Step 6: Final answer
   x = 26,205.79