Finding the Fourth Proportional to 12,086.02, 18,148.86 and 8,162.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.02 : 18,148.86 = 8,162.44 : x
2. Step 2: Convert to fraction form
   12,086.02/18,148.86 = 8,162.44/x
3. Step 3: Cross multiply
   12,086.02x = 18,148.86 × 8,162.44
4. Step 4: Simplify right side
   12,086.02x = 148,138,980.82
5. Step 5: Solve for x
   x = 148,138,980.82/12,086.02
6. Step 6: Final answer
   x = 12,257.05