Finding the Fourth Proportional to 55,130.82, 82,723.59 and 21,850.17

Step by Step Solution

1. Step 1: Write the proportion equation
   55,130.82 : 82,723.59 = 21,850.17 : x
2. Step 2: Convert to fraction form
   55,130.82/82,723.59 = 21,850.17/x
3. Step 3: Cross multiply
   55,130.82x = 82,723.59 × 21,850.17
4. Step 4: Simplify right side
   55,130.82x = 1,807,524,504.51
5. Step 5: Solve for x
   x = 1,807,524,504.51/55,130.82
6. Step 6: Final answer
   x = 32,786.10