Finding the Fourth Proportional to 9,481.36, 13,086.89 and 5,503.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,481.36 : 13,086.89 = 5,503.75 : x
2. Step 2: Convert to fraction form
   9,481.36/13,086.89 = 5,503.75/x
3. Step 3: Cross multiply
   9,481.36x = 13,086.89 × 5,503.75
4. Step 4: Simplify right side
   9,481.36x = 72,026,970.84
5. Step 5: Solve for x
   x = 72,026,970.84/9,481.36
6. Step 6: Final answer
   x = 7,596.69