Finding the Fourth Proportional to 35,667.05, 53,530.25 and 18,806.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,667.05 : 53,530.25 = 18,806.09 : x
2. Step 2: Convert to fraction form
   35,667.05/53,530.25 = 18,806.09/x
3. Step 3: Cross multiply
   35,667.05x = 53,530.25 × 18,806.09
4. Step 4: Simplify right side
   35,667.05x = 1,006,694,337.54
5. Step 5: Solve for x
   x = 1,006,694,337.54/35,667.05
6. Step 6: Final answer
   x = 28,224.78