Finding the Fourth Proportional to 37,171.16, 51,294.66 and 20,404.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,171.16 : 51,294.66 = 20,404.52 : x
2. Step 2: Convert to fraction form
   37,171.16/51,294.66 = 20,404.52/x
3. Step 3: Cross multiply
   37,171.16x = 51,294.66 × 20,404.52
4. Step 4: Simplify right side
   37,171.16x = 1,046,642,915.86
5. Step 5: Solve for x
   x = 1,046,642,915.86/37,171.16
6. Step 6: Final answer
   x = 28,157.39