Finding the Fourth Proportional to 55,293.57, 82,940.34 and 18,357.57

Step by Step Solution

1. Step 1: Write the proportion equation
   55,293.57 : 82,940.34 = 18,357.57 : x
2. Step 2: Convert to fraction form
   55,293.57/82,940.34 = 18,357.57/x
3. Step 3: Cross multiply
   55,293.57x = 82,940.34 × 18,357.57
4. Step 4: Simplify right side
   55,293.57x = 1,522,583,097.37
5. Step 5: Solve for x
   x = 1,522,583,097.37/55,293.57
6. Step 6: Final answer
   x = 27,536.35