Finding the Fourth Proportional to 37,055.12, 55,487.53 and 20,396.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,055.12 : 55,487.53 = 20,396.56 : x
2. Step 2: Convert to fraction form
   37,055.12/55,487.53 = 20,396.56/x
3. Step 3: Cross multiply
   37,055.12x = 55,487.53 × 20,396.56
4. Step 4: Simplify right side
   37,055.12x = 1,131,754,725.71
5. Step 5: Solve for x
   x = 1,131,754,725.71/37,055.12
6. Step 6: Final answer
   x = 30,542.47