Finding the Fourth Proportional to 57,997.27, 86,981.73 and 18,546.22

Step by Step Solution

1. Step 1: Write the proportion equation
   57,997.27 : 86,981.73 = 18,546.22 : x
2. Step 2: Convert to fraction form
   57,997.27/86,981.73 = 18,546.22/x
3. Step 3: Cross multiply
   57,997.27x = 86,981.73 × 18,546.22
4. Step 4: Simplify right side
   57,997.27x = 1,613,182,300.56
5. Step 5: Solve for x
   x = 1,613,182,300.56/57,997.27
6. Step 6: Final answer
   x = 27,814.80