Finding the Fourth Proportional to 37,200.38, 51,339.96 and 20,436.62

Step by Step Solution

1. Step 1: Write the proportion equation
   37,200.38 : 51,339.96 = 20,436.62 : x
2. Step 2: Convert to fraction form
   37,200.38/51,339.96 = 20,436.62/x
3. Step 3: Cross multiply
   37,200.38x = 51,339.96 × 20,436.62
4. Step 4: Simplify right side
   37,200.38x = 1,049,214,996.64
5. Step 5: Solve for x
   x = 1,049,214,996.64/37,200.38
6. Step 6: Final answer
   x = 28,204.42