Finding the Fourth Proportional to 12,374.50, 18,564.18 and 5,449

Step by Step Solution

1. Step 1: Write the proportion equation
   12,374.50 : 18,564.18 = 5,449 : x
2. Step 2: Convert to fraction form
   12,374.50/18,564.18 = 5,449/x
3. Step 3: Cross multiply
   12,374.50x = 18,564.18 × 5,449
4. Step 4: Simplify right side
   12,374.50x = 101,156,216.82
5. Step 5: Solve for x
   x = 101,156,216.82/12,374.50
6. Step 6: Final answer
   x = 8,174.57