Finding the Fourth Proportional to 55,308.09, 82,962.47 and 13,755.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,308.09 : 82,962.47 = 13,755.09 : x
2. Step 2: Convert to fraction form
   55,308.09/82,962.47 = 13,755.09/x
3. Step 3: Cross multiply
   55,308.09x = 82,962.47 × 13,755.09
4. Step 4: Simplify right side
   55,308.09x = 1,141,156,172.70
5. Step 5: Solve for x
   x = 1,141,156,172.70/55,308.09
6. Step 6: Final answer
   x = 20,632.72