Finding the Fourth Proportional to 55,912.74, 83,840.37 and 16,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,912.74 : 83,840.37 = 16,464.72 : x
2. Step 2: Convert to fraction form
   55,912.74/83,840.37 = 16,464.72/x
3. Step 3: Cross multiply
   55,912.74x = 83,840.37 × 16,464.72
4. Step 4: Simplify right side
   55,912.74x = 1,380,408,216.75
5. Step 5: Solve for x
   x = 1,380,408,216.75/55,912.74
6. Step 6: Final answer
   x = 24,688.62