Finding the Fourth Proportional to 9,705, 13,393.98 and 5,979

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705 : 13,393.98 = 5,979 : x
2. Step 2: Convert to fraction form
   9,705/13,393.98 = 5,979/x
3. Step 3: Cross multiply
   9,705x = 13,393.98 × 5,979
4. Step 4: Simplify right side
   9,705x = 80,082,606.42
5. Step 5: Solve for x
   x = 80,082,606.42/9,705
6. Step 6: Final answer
   x = 8,251.69