Finding the Fourth Proportional to 9,962.82, 13,748.69 and 5,486.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.82 : 13,748.69 = 5,486.56 : x
2. Step 2: Convert to fraction form
   9,962.82/13,748.69 = 5,486.56/x
3. Step 3: Cross multiply
   9,962.82x = 13,748.69 × 5,486.56
4. Step 4: Simplify right side
   9,962.82x = 75,433,012.61
5. Step 5: Solve for x
   x = 75,433,012.61/9,962.82
6. Step 6: Final answer
   x = 7,571.45