Finding the Fourth Proportional to 9,481.50, 13,086.06 and 5,505.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,481.50 : 13,086.06 = 5,505.90 : x
2. Step 2: Convert to fraction form
   9,481.50/13,086.06 = 5,505.90/x
3. Step 3: Cross multiply
   9,481.50x = 13,086.06 × 5,505.90
4. Step 4: Simplify right side
   9,481.50x = 72,050,537.75
5. Step 5: Solve for x
   x = 72,050,537.75/9,481.50
6. Step 6: Final answer
   x = 7,599.07