Finding the Fourth Proportional to 37,180.72, 55,771.74 and 13,505.06

Step by Step Solution

1. Step 1: Write the proportion equation
   37,180.72 : 55,771.74 = 13,505.06 : x
2. Step 2: Convert to fraction form
   37,180.72/55,771.74 = 13,505.06/x
3. Step 3: Cross multiply
   37,180.72x = 55,771.74 × 13,505.06
4. Step 4: Simplify right side
   37,180.72x = 753,200,834.43
5. Step 5: Solve for x
   x = 753,200,834.43/37,180.72
6. Step 6: Final answer
   x = 20,257.83