Finding the Fourth Proportional to 55,786.58, 83,682.56 and 18,345.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,786.58 : 83,682.56 = 18,345.82 : x
2. Step 2: Convert to fraction form
   55,786.58/83,682.56 = 18,345.82/x
3. Step 3: Cross multiply
   55,786.58x = 83,682.56 × 18,345.82
4. Step 4: Simplify right side
   55,786.58x = 1,535,225,182.90
5. Step 5: Solve for x
   x = 1,535,225,182.90/55,786.58
6. Step 6: Final answer
   x = 27,519.61