Finding the Fourth Proportional to 37,664.56, 56,500.16 and 13,972.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,664.56 : 56,500.16 = 13,972.37 : x
2. Step 2: Convert to fraction form
   37,664.56/56,500.16 = 13,972.37/x
3. Step 3: Cross multiply
   37,664.56x = 56,500.16 × 13,972.37
4. Step 4: Simplify right side
   37,664.56x = 789,441,140.58
5. Step 5: Solve for x
   x = 789,441,140.58/37,664.56
6. Step 6: Final answer
   x = 20,959.79