Finding the Fourth Proportional to 55,298.37, 82,947.51 and 13,745.37

Step by Step Solution

1. Step 1: Write the proportion equation
   55,298.37 : 82,947.51 = 13,745.37 : x
2. Step 2: Convert to fraction form
   55,298.37/82,947.51 = 13,745.37/x
3. Step 3: Cross multiply
   55,298.37x = 82,947.51 × 13,745.37
4. Step 4: Simplify right side
   55,298.37x = 1,140,144,215.53
5. Step 5: Solve for x
   x = 1,140,144,215.53/55,298.37
6. Step 6: Final answer
   x = 20,618.04