Finding the Fourth Proportional to 33,171.35, 45,776.00 and 18,831.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,171.35 : 45,776.00 = 18,831.05 : x
2. Step 2: Convert to fraction form
   33,171.35/45,776.00 = 18,831.05/x
3. Step 3: Cross multiply
   33,171.35x = 45,776.00 × 18,831.05
4. Step 4: Simplify right side
   33,171.35x = 862,009,821.76
5. Step 5: Solve for x
   x = 862,009,821.76/33,171.35
6. Step 6: Final answer
   x = 25,986.58