Finding the Fourth Proportional to 55,298.38, 82,947.50 and 13,745.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,298.38 : 82,947.50 = 13,745.38 : x
2. Step 2: Convert to fraction form
   55,298.38/82,947.50 = 13,745.38/x
3. Step 3: Cross multiply
   55,298.38x = 82,947.50 × 13,745.38
4. Step 4: Simplify right side
   55,298.38x = 1,140,144,907.55
5. Step 5: Solve for x
   x = 1,140,144,907.55/55,298.38
6. Step 6: Final answer
   x = 20,618.05