Finding the Fourth Proportional to 9,647.66, 13,313.40 and 5,456.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.66 : 13,313.40 = 5,456.00 : x
2. Step 2: Convert to fraction form
   9,647.66/13,313.40 = 5,456.00/x
3. Step 3: Cross multiply
   9,647.66x = 13,313.40 × 5,456.00
4. Step 4: Simplify right side
   9,647.66x = 72,637,890.76
5. Step 5: Solve for x
   x = 72,637,890.76/9,647.66
6. Step 6: Final answer
   x = 7,529.07