Finding the Fourth Proportional to 33,100.80, 45,674.60 and 19,667.16

Step by Step Solution

1. Step 1: Write the proportion equation
   33,100.80 : 45,674.60 = 19,667.16 : x
2. Step 2: Convert to fraction form
   33,100.80/45,674.60 = 19,667.16/x
3. Step 3: Cross multiply
   33,100.80x = 45,674.60 × 19,667.16
4. Step 4: Simplify right side
   33,100.80x = 898,289,567.80
5. Step 5: Solve for x
   x = 898,289,567.80/33,100.80
6. Step 6: Final answer
   x = 27,138.00