Finding the Fourth Proportional to 37,786.25, 52,145.33 and 21,019.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,786.25 : 52,145.33 = 21,019.25 : x
2. Step 2: Convert to fraction form
   37,786.25/52,145.33 = 21,019.25/x
3. Step 3: Cross multiply
   37,786.25x = 52,145.33 × 21,019.25
4. Step 4: Simplify right side
   37,786.25x = 1,096,055,727.60
5. Step 5: Solve for x
   x = 1,096,055,727.60/37,786.25
6. Step 6: Final answer
   x = 29,006.73