Finding the Fourth Proportional to 55,855.72, 83,771.42 and 19,837

Step by Step Solution

1. Step 1: Write the proportion equation
   55,855.72 : 83,771.42 = 19,837 : x
2. Step 2: Convert to fraction form
   55,855.72/83,771.42 = 19,837/x
3. Step 3: Cross multiply
   55,855.72x = 83,771.42 × 19,837
4. Step 4: Simplify right side
   55,855.72x = 1,661,773,658.54
5. Step 5: Solve for x
   x = 1,661,773,658.54/55,855.72
6. Step 6: Final answer
   x = 29,751.18