Finding the Fourth Proportional to 55,627.06, 83,431.34 and 20,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,627.06 : 83,431.34 = 20,081.56 : x
2. Step 2: Convert to fraction form
   55,627.06/83,431.34 = 20,081.56/x
3. Step 3: Cross multiply
   55,627.06x = 83,431.34 × 20,081.56
4. Step 4: Simplify right side
   55,627.06x = 1,675,431,460.09
5. Step 5: Solve for x
   x = 1,675,431,460.09/55,627.06
6. Step 6: Final answer
   x = 30,119.00