Finding the Fourth Proportional to 9,932.89, 13,707.40 and 5,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.89 : 13,707.40 = 5,456.72 : x
2. Step 2: Convert to fraction form
   9,932.89/13,707.40 = 5,456.72/x
3. Step 3: Cross multiply
   9,932.89x = 13,707.40 × 5,456.72
4. Step 4: Simplify right side
   9,932.89x = 74,797,464.35
5. Step 5: Solve for x
   x = 74,797,464.35/9,932.89
6. Step 6: Final answer
   x = 7,530.28