Finding the Fourth Proportional to 9,462.60, 13,058.58 and 5,485

Step by Step Solution

1. Step 1: Write the proportion equation
   9,462.60 : 13,058.58 = 5,485 : x
2. Step 2: Convert to fraction form
   9,462.60/13,058.58 = 5,485/x
3. Step 3: Cross multiply
   9,462.60x = 13,058.58 × 5,485
4. Step 4: Simplify right side
   9,462.60x = 71,626,311.30
5. Step 5: Solve for x
   x = 71,626,311.30/9,462.60
6. Step 6: Final answer
   x = 7,569.41