Finding the Fourth Proportional to 37,550.28, 51,819.50 and 20,783.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,550.28 : 51,819.50 = 20,783.28 : x
2. Step 2: Convert to fraction form
   37,550.28/51,819.50 = 20,783.28/x
3. Step 3: Cross multiply
   37,550.28x = 51,819.50 × 20,783.28
4. Step 4: Simplify right side
   37,550.28x = 1,076,979,307.34
5. Step 5: Solve for x
   x = 1,076,979,307.34/37,550.28
6. Step 6: Final answer
   x = 28,680.99