Finding the Fourth Proportional to 11,393.56, 17,086.98 and 4,819.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,393.56 : 17,086.98 = 4,819.60 : x
2. Step 2: Convert to fraction form
   11,393.56/17,086.98 = 4,819.60/x
3. Step 3: Cross multiply
   11,393.56x = 17,086.98 × 4,819.60
4. Step 4: Simplify right side
   11,393.56x = 82,352,408.81
5. Step 5: Solve for x
   x = 82,352,408.81/11,393.56
6. Step 6: Final answer
   x = 7,227.98