Finding the Fourth Proportional to 9,640.02, 13,303.55 and 5,448.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,640.02 : 13,303.55 = 5,448.54 : x
2. Step 2: Convert to fraction form
   9,640.02/13,303.55 = 5,448.54/x
3. Step 3: Cross multiply
   9,640.02x = 13,303.55 × 5,448.54
4. Step 4: Simplify right side
   9,640.02x = 72,484,924.32
5. Step 5: Solve for x
   x = 72,484,924.32/9,640.02
6. Step 6: Final answer
   x = 7,519.17