Finding the Fourth Proportional to 9,461.82, 13,059.56 and 5,485.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,461.82 : 13,059.56 = 5,485.12 : x
2. Step 2: Convert to fraction form
   9,461.82/13,059.56 = 5,485.12/x
3. Step 3: Cross multiply
   9,461.82x = 13,059.56 × 5,485.12
4. Step 4: Simplify right side
   9,461.82x = 71,633,253.75
5. Step 5: Solve for x
   x = 71,633,253.75/9,461.82
6. Step 6: Final answer
   x = 7,570.77