Finding the Fourth Proportional to 9,755.02, 13,456.15 and 5,979.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.02 : 13,456.15 = 5,979.88 : x
2. Step 2: Convert to fraction form
   9,755.02/13,456.15 = 5,979.88/x
3. Step 3: Cross multiply
   9,755.02x = 13,456.15 × 5,979.88
4. Step 4: Simplify right side
   9,755.02x = 80,466,162.26
5. Step 5: Solve for x
   x = 80,466,162.26/9,755.02
6. Step 6: Final answer
   x = 8,248.69