Finding the Fourth Proportional to 13,327.89, 19,981.03 and 5,542.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,327.89 : 19,981.03 = 5,542.53 : x
2. Step 2: Convert to fraction form
   13,327.89/19,981.03 = 5,542.53/x
3. Step 3: Cross multiply
   13,327.89x = 19,981.03 × 5,542.53
4. Step 4: Simplify right side
   13,327.89x = 110,745,330.59
5. Step 5: Solve for x
   x = 110,745,330.59/13,327.89
6. Step 6: Final answer
   x = 8,309.30