Finding the Fourth Proportional to 37,173.04, 51,297.78 and 20,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   37,173.04 : 51,297.78 = 20,406.04 : x
2. Step 2: Convert to fraction form
   37,173.04/51,297.78 = 20,406.04/x
3. Step 3: Cross multiply
   37,173.04x = 51,297.78 × 20,406.04
4. Step 4: Simplify right side
   37,173.04x = 1,046,784,550.59
5. Step 5: Solve for x
   x = 1,046,784,550.59/37,173.04
6. Step 6: Final answer
   x = 28,159.78