Finding the Fourth Proportional to 9,462.22, 13,057.86 and 5,485.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,462.22 : 13,057.86 = 5,485.64 : x
2. Step 2: Convert to fraction form
   9,462.22/13,057.86 = 5,485.64/x
3. Step 3: Cross multiply
   9,462.22x = 13,057.86 × 5,485.64
4. Step 4: Simplify right side
   9,462.22x = 71,630,674.41
5. Step 5: Solve for x
   x = 71,630,674.41/9,462.22
6. Step 6: Final answer
   x = 7,570.18