Finding the Fourth Proportional to 9,464.54, 13,060.87 and 5,485.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,464.54 : 13,060.87 = 5,485.55 : x
2. Step 2: Convert to fraction form
   9,464.54/13,060.87 = 5,485.55/x
3. Step 3: Cross multiply
   9,464.54x = 13,060.87 × 5,485.55
4. Step 4: Simplify right side
   9,464.54x = 71,645,976.41
5. Step 5: Solve for x
   x = 71,645,976.41/9,464.54
6. Step 6: Final answer
   x = 7,569.94