Finding the Fourth Proportional to 37,436.18, 51,661.53 and 20,440.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,436.18 : 51,661.53 = 20,440.37 : x
2. Step 2: Convert to fraction form
   37,436.18/51,661.53 = 20,440.37/x
3. Step 3: Cross multiply
   37,436.18x = 51,661.53 × 20,440.37
4. Step 4: Simplify right side
   37,436.18x = 1,055,980,529.66
5. Step 5: Solve for x
   x = 1,055,980,529.66/37,436.18
6. Step 6: Final answer
   x = 28,207.49