Finding the Fourth Proportional to 35,581.41, 49,102.61 and 19,666.33

Step by Step Solution

1. Step 1: Write the proportion equation
   35,581.41 : 49,102.61 = 19,666.33 : x
2. Step 2: Convert to fraction form
   35,581.41/49,102.61 = 19,666.33/x
3. Step 3: Cross multiply
   35,581.41x = 49,102.61 × 19,666.33
4. Step 4: Simplify right side
   35,581.41x = 965,667,911.03
5. Step 5: Solve for x
   x = 965,667,911.03/35,581.41
6. Step 6: Final answer
   x = 27,139.68