Finding the Fourth Proportional to 37,076.42, 51,166.78 and 20,309.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,076.42 : 51,166.78 = 20,309.42 : x
2. Step 2: Convert to fraction form
   37,076.42/51,166.78 = 20,309.42/x
3. Step 3: Cross multiply
   37,076.42x = 51,166.78 × 20,309.42
4. Step 4: Simplify right side
   37,076.42x = 1,039,167,625.07
5. Step 5: Solve for x
   x = 1,039,167,625.07/37,076.42
6. Step 6: Final answer
   x = 28,027.72