Finding the Fourth Proportional to 9,932.61, 13,707.21 and 5,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.61 : 13,707.21 = 5,456.82 : x
2. Step 2: Convert to fraction form
   9,932.61/13,707.21 = 5,456.82/x
3. Step 3: Cross multiply
   9,932.61x = 13,707.21 × 5,456.82
4. Step 4: Simplify right side
   9,932.61x = 74,797,777.67
5. Step 5: Solve for x
   x = 74,797,777.67/9,932.61
6. Step 6: Final answer
   x = 7,530.53