Finding the Fourth Proportional to 37,150.50, 51,268.59 and 20,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,150.50 : 51,268.59 = 20,383.50 : x
2. Step 2: Convert to fraction form
   37,150.50/51,268.59 = 20,383.50/x
3. Step 3: Cross multiply
   37,150.50x = 51,268.59 × 20,383.50
4. Step 4: Simplify right side
   37,150.50x = 1,045,033,304.27
5. Step 5: Solve for x
   x = 1,045,033,304.27/37,150.50
6. Step 6: Final answer
   x = 28,129.72