Finding the Fourth Proportional to 37,404.53, 51,618.50 and 20,408.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,404.53 : 51,618.50 = 20,408.81 : x
2. Step 2: Convert to fraction form
   37,404.53/51,618.50 = 20,408.81/x
3. Step 3: Cross multiply
   37,404.53x = 51,618.50 × 20,408.81
4. Step 4: Simplify right side
   37,404.53x = 1,053,472,122.69
5. Step 5: Solve for x
   x = 1,053,472,122.69/37,404.53
6. Step 6: Final answer
   x = 28,164.29