Finding the Fourth Proportional to 57,796.56, 86,697.83 and 18,356.76

Step by Step Solution

1. Step 1: Write the proportion equation
   57,796.56 : 86,697.83 = 18,356.76 : x
2. Step 2: Convert to fraction form
   57,796.56/86,697.83 = 18,356.76/x
3. Step 3: Cross multiply
   57,796.56x = 86,697.83 × 18,356.76
4. Step 4: Simplify right side
   57,796.56x = 1,591,491,257.83
5. Step 5: Solve for x
   x = 1,591,491,257.83/57,796.56
6. Step 6: Final answer
   x = 27,536.09