Finding the Fourth Proportional to 9,747.75, 13,451.87 and 5,498.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.75 : 13,451.87 = 5,498.79 : x
2. Step 2: Convert to fraction form
   9,747.75/13,451.87 = 5,498.79/x
3. Step 3: Cross multiply
   9,747.75x = 13,451.87 × 5,498.79
4. Step 4: Simplify right side
   9,747.75x = 73,969,008.24
5. Step 5: Solve for x
   x = 73,969,008.24/9,747.75
6. Step 6: Final answer
   x = 7,588.32