Finding the Fourth Proportional to 55,022.17, 82,538.73 and 19,964.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,022.17 : 82,538.73 = 19,964.56 : x
2. Step 2: Convert to fraction form
   55,022.17/82,538.73 = 19,964.56/x
3. Step 3: Cross multiply
   55,022.17x = 82,538.73 × 19,964.56
4. Step 4: Simplify right side
   55,022.17x = 1,647,849,427.41
5. Step 5: Solve for x
   x = 1,647,849,427.41/55,022.17
6. Step 6: Final answer
   x = 29,948.83