Finding the Fourth Proportional to 54,940.55, 82,410.83 and 19,872

Step by Step Solution

1. Step 1: Write the proportion equation
   54,940.55 : 82,410.83 = 19,872 : x
2. Step 2: Convert to fraction form
   54,940.55/82,410.83 = 19,872/x
3. Step 3: Cross multiply
   54,940.55x = 82,410.83 × 19,872
4. Step 4: Simplify right side
   54,940.55x = 1,637,667,914.40
5. Step 5: Solve for x
   x = 1,637,667,914.40/54,940.55
6. Step 6: Final answer
   x = 29,808.00