Finding the Fourth Proportional to 9,461.72, 13,059.36 and 5,485.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,461.72 : 13,059.36 = 5,485.04 : x
2. Step 2: Convert to fraction form
   9,461.72/13,059.36 = 5,485.04/x
3. Step 3: Cross multiply
   9,461.72x = 13,059.36 × 5,485.04
4. Step 4: Simplify right side
   9,461.72x = 71,631,111.97
5. Step 5: Solve for x
   x = 71,631,111.97/9,461.72
6. Step 6: Final answer
   x = 7,570.62