Finding the Fourth Proportional to 33,007.50, 45,550.42 and 18,860.31

Step by Step Solution

1. Step 1: Write the proportion equation
   33,007.50 : 45,550.42 = 18,860.31 : x
2. Step 2: Convert to fraction form
   33,007.50/45,550.42 = 18,860.31/x
3. Step 3: Cross multiply
   33,007.50x = 45,550.42 × 18,860.31
4. Step 4: Simplify right side
   33,007.50x = 859,094,994.68
5. Step 5: Solve for x
   x = 859,094,994.68/33,007.50
6. Step 6: Final answer
   x = 26,027.27