Finding the Fourth Proportional to 37,179.50, 51,308.52 and 20,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,179.50 : 51,308.52 = 20,412.50 : x
2. Step 2: Convert to fraction form
   37,179.50/51,308.52 = 20,412.50/x
3. Step 3: Cross multiply
   37,179.50x = 51,308.52 × 20,412.50
4. Step 4: Simplify right side
   37,179.50x = 1,047,335,164.50
5. Step 5: Solve for x
   x = 1,047,335,164.50/37,179.50
6. Step 6: Final answer
   x = 28,169.69