Finding the Fourth Proportional to 9,962.24, 13,747.89 and 5,485.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.24 : 13,747.89 = 5,485.98 : x
2. Step 2: Convert to fraction form
   9,962.24/13,747.89 = 5,485.98/x
3. Step 3: Cross multiply
   9,962.24x = 13,747.89 × 5,485.98
4. Step 4: Simplify right side
   9,962.24x = 75,420,649.58
5. Step 5: Solve for x
   x = 75,420,649.58/9,962.24
6. Step 6: Final answer
   x = 7,570.65