Finding the Fourth Proportional to 9,933.06, 13,707.39 and 5,456.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,933.06 : 13,707.39 = 5,456.80 : x
2. Step 2: Convert to fraction form
   9,933.06/13,707.39 = 5,456.80/x
3. Step 3: Cross multiply
   9,933.06x = 13,707.39 × 5,456.80
4. Step 4: Simplify right side
   9,933.06x = 74,798,485.75
5. Step 5: Solve for x
   x = 74,798,485.75/9,933.06
6. Step 6: Final answer
   x = 7,530.26