Finding the Fourth Proportional to 13,293.56, 19,942.74 and 5,503

Step by Step Solution

1. Step 1: Write the proportion equation
   13,293.56 : 19,942.74 = 5,503 : x
2. Step 2: Convert to fraction form
   13,293.56/19,942.74 = 5,503/x
3. Step 3: Cross multiply
   13,293.56x = 19,942.74 × 5,503
4. Step 4: Simplify right side
   13,293.56x = 109,744,898.22
5. Step 5: Solve for x
   x = 109,744,898.22/13,293.56
6. Step 6: Final answer
   x = 8,255.49