Finding the Fourth Proportional to 55,404, 83,105.64 and 13,851

Step by Step Solution

1. Step 1: Write the proportion equation
   55,404 : 83,105.64 = 13,851 : x
2. Step 2: Convert to fraction form
   55,404/83,105.64 = 13,851/x
3. Step 3: Cross multiply
   55,404x = 83,105.64 × 13,851
4. Step 4: Simplify right side
   55,404x = 1,151,096,219.64
5. Step 5: Solve for x
   x = 1,151,096,219.64/55,404
6. Step 6: Final answer
   x = 20,776.41