Finding the Fourth Proportional to 9,766.48, 13,479.06 and 5,575

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.48 : 13,479.06 = 5,575 : x
2. Step 2: Convert to fraction form
   9,766.48/13,479.06 = 5,575/x
3. Step 3: Cross multiply
   9,766.48x = 13,479.06 × 5,575
4. Step 4: Simplify right side
   9,766.48x = 75,145,759.50
5. Step 5: Solve for x
   x = 75,145,759.50/9,766.48
6. Step 6: Final answer
   x = 7,694.25