Finding the Fourth Proportional to 35,667.36, 49,231.87 and 20,570.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,667.36 : 49,231.87 = 20,570.09 : x
2. Step 2: Convert to fraction form
   35,667.36/49,231.87 = 20,570.09/x
3. Step 3: Cross multiply
   35,667.36x = 49,231.87 × 20,570.09
4. Step 4: Simplify right side
   35,667.36x = 1,012,703,699.18
5. Step 5: Solve for x
   x = 1,012,703,699.18/35,667.36
6. Step 6: Final answer
   x = 28,393.01