Finding the Fourth Proportional to 12,150.34, 18,227.58 and 5,577.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.34 : 18,227.58 = 5,577.09 : x
2. Step 2: Convert to fraction form
   12,150.34/18,227.58 = 5,577.09/x
3. Step 3: Cross multiply
   12,150.34x = 18,227.58 × 5,577.09
4. Step 4: Simplify right side
   12,150.34x = 101,656,854.14
5. Step 5: Solve for x
   x = 101,656,854.14/12,150.34
6. Step 6: Final answer
   x = 8,366.59