Finding the Fourth Proportional to 55,722.33, 83,584.71 and 20,186.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,722.33 : 83,584.71 = 20,186.82 : x
2. Step 2: Convert to fraction form
   55,722.33/83,584.71 = 20,186.82/x
3. Step 3: Cross multiply
   55,722.33x = 83,584.71 × 20,186.82
4. Step 4: Simplify right side
   55,722.33x = 1,687,309,495.52
5. Step 5: Solve for x
   x = 1,687,309,495.52/55,722.33
6. Step 6: Final answer
   x = 30,280.67