Finding the Fourth Proportional to 37,086.72, 51,179.28 and 20,319.68

Step by Step Solution

1. Step 1: Write the proportion equation
   37,086.72 : 51,179.28 = 20,319.68 : x
2. Step 2: Convert to fraction form
   37,086.72/51,179.28 = 20,319.68/x
3. Step 3: Cross multiply
   37,086.72x = 51,179.28 × 20,319.68
4. Step 4: Simplify right side
   37,086.72x = 1,039,946,592.23
5. Step 5: Solve for x
   x = 1,039,946,592.23/37,086.72
6. Step 6: Final answer
   x = 28,040.94