Finding the Fourth Proportional to 37,190.81, 55,786.52 and 13,817.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,190.81 : 55,786.52 = 13,817.25 : x
2. Step 2: Convert to fraction form
   37,190.81/55,786.52 = 13,817.25/x
3. Step 3: Cross multiply
   37,190.81x = 55,786.52 × 13,817.25
4. Step 4: Simplify right side
   37,190.81x = 770,816,328.01
5. Step 5: Solve for x
   x = 770,816,328.01/37,190.81
6. Step 6: Final answer
   x = 20,725.99