Finding the Fourth Proportional to 57,511.42, 86,275.83 and 18,064.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,511.42 : 86,275.83 = 18,064.82 : x
2. Step 2: Convert to fraction form
   57,511.42/86,275.83 = 18,064.82/x
3. Step 3: Cross multiply
   57,511.42x = 86,275.83 × 18,064.82
4. Step 4: Simplify right side
   57,511.42x = 1,558,557,339.30
5. Step 5: Solve for x
   x = 1,558,557,339.30/57,511.42
6. Step 6: Final answer
   x = 27,099.96