Finding the Fourth Proportional to 37,436.56, 51,662.06 and 20,440.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,436.56 : 51,662.06 = 20,440.75 : x
2. Step 2: Convert to fraction form
   37,436.56/51,662.06 = 20,440.75/x
3. Step 3: Cross multiply
   37,436.56x = 51,662.06 × 20,440.75
4. Step 4: Simplify right side
   37,436.56x = 1,056,011,021.59
5. Step 5: Solve for x
   x = 1,056,011,021.59/37,436.56
6. Step 6: Final answer
   x = 28,208.02