Finding the Fourth Proportional to 9,747.88, 13,451.33 and 5,499.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.88 : 13,451.33 = 5,499.63 : x
2. Step 2: Convert to fraction form
   9,747.88/13,451.33 = 5,499.63/x
3. Step 3: Cross multiply
   9,747.88x = 13,451.33 × 5,499.63
4. Step 4: Simplify right side
   9,747.88x = 73,977,351.76
5. Step 5: Solve for x
   x = 73,977,351.76/9,747.88
6. Step 6: Final answer
   x = 7,589.07