Finding the Fourth Proportional to 12,945.06, 19,418.27 and 5,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,945.06 : 19,418.27 = 5,544.50 : x
2. Step 2: Convert to fraction form
   12,945.06/19,418.27 = 5,544.50/x
3. Step 3: Cross multiply
   12,945.06x = 19,418.27 × 5,544.50
4. Step 4: Simplify right side
   12,945.06x = 107,664,473.20
5. Step 5: Solve for x
   x = 107,664,473.20/12,945.06
6. Step 6: Final answer
   x = 8,317.03