Finding the Fourth Proportional to 12,238.56, 18,352.37 and 5,666.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238.56 : 18,352.37 = 5,666.63 : x
2. Step 2: Convert to fraction form
   12,238.56/18,352.37 = 5,666.63/x
3. Step 3: Cross multiply
   12,238.56x = 18,352.37 × 5,666.63
4. Step 4: Simplify right side
   12,238.56x = 103,996,012.82
5. Step 5: Solve for x
   x = 103,996,012.82/12,238.56
6. Step 6: Final answer
   x = 8,497.41