Finding the Fourth Proportional to 55,182, 82,773.24 and 13,629

Step by Step Solution

1. Step 1: Write the proportion equation
   55,182 : 82,773.24 = 13,629 : x
2. Step 2: Convert to fraction form
   55,182/82,773.24 = 13,629/x
3. Step 3: Cross multiply
   55,182x = 82,773.24 × 13,629
4. Step 4: Simplify right side
   55,182x = 1,128,116,487.96
5. Step 5: Solve for x
   x = 1,128,116,487.96/55,182
6. Step 6: Final answer
   x = 20,443.56