Finding the Fourth Proportional to 9,962.52, 13,747.96 and 5,486.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.52 : 13,747.96 = 5,486.25 : x
2. Step 2: Convert to fraction form
   9,962.52/13,747.96 = 5,486.25/x
3. Step 3: Cross multiply
   9,962.52x = 13,747.96 × 5,486.25
4. Step 4: Simplify right side
   9,962.52x = 75,424,745.55
5. Step 5: Solve for x
   x = 75,424,745.55/9,962.52
6. Step 6: Final answer
   x = 7,570.85