Finding the Fourth Proportional to 37,245.96, 51,399.39 and 20,478.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,245.96 : 51,399.39 = 20,478.96 : x
2. Step 2: Convert to fraction form
   37,245.96/51,399.39 = 20,478.96/x
3. Step 3: Cross multiply
   37,245.96x = 51,399.39 × 20,478.96
4. Step 4: Simplify right side
   37,245.96x = 1,052,606,051.83
5. Step 5: Solve for x
   x = 1,052,606,051.83/37,245.96
6. Step 6: Final answer
   x = 28,260.95