Finding the Fourth Proportional to 9,555.12, 13,185.54 and 5,575.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.12 : 13,185.54 = 5,575.95 : x
2. Step 2: Convert to fraction form
   9,555.12/13,185.54 = 5,575.95/x
3. Step 3: Cross multiply
   9,555.12x = 13,185.54 × 5,575.95
4. Step 4: Simplify right side
   9,555.12x = 73,521,911.76
5. Step 5: Solve for x
   x = 73,521,911.76/9,555.12
6. Step 6: Final answer
   x = 7,694.50